| slovo | definícia |
Tetra-
(gcide) | Tetra- \Tet"ra-\ [Gr. te`tra-, from te`sares, te`ttares, four.
See Four.]
1. A combining form or prefix signifying four, as in
tetrabasic, tetrapetalous.
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2. (Chem.) A combining form (also used adjectively) denoting
four proportional or combining parts of the substance or
ingredient denoted by the term to which it is prefixed, as
in tetra-chloride, tetroxide.
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| | podobné slovo | definícia |
chlortetracycline
(gcide) | Aureomycin \Aureomycin\ n.
1. [a trademark.] a yellow crystalline antibiotic (generic
name chlortetracycline) used to treat certain bacterial
and rickettsial diseases.
Syn: chlortetracycline.
[WordNet 1.5]chlortetracycline \chlortetracycline\ n.
a yellow crystalline antibacterial antibiotic used to treat
certain bacterial and rickettsial diseases. Aureomycin is
one common trademark for chlortetracycline.
Syn: Aureomycin.
[WordNet 1.5] |
Conjoint tetrachords
(gcide) | Conjoint \Con*joint"\, a. [F. conjoint, p. p. of conjoindre. See
Conjoin, and cf. Conjunct.]
United; connected; associated. "Influence conjoint."
--Glover.
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Conjoint degrees (Mus.), two notes which follow each other
immediately in the order of the scale, as ut and re.
--Johnson.
Conjoint tetrachords (Mus.), two tetrachords or fourths,
where the same note is the highest of one and the lowest
of the other; -- also written conjunct.
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Disjunct tetrachords
(gcide) | Disjunct \Dis*junct"\ (d[i^]s*j[u^][ng]kt"), a. [L. disjunctus,
p. p. of disjungere to disjoin. See Disjoin, and cf.
Disjoint.]
1. Disjoined; separated. [R.]
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2. (Zool.) Having the head, thorax, and abdomen separated by
a deep constriction.
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Disjunct tetrachords (Mus.), tetrachords so disposed to
each other that the gravest note of the upper is one note
higher than the acutest note of the other.
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Erica Tetralix
(gcide) | Heather \Heath"er\ (h[e^][th]"[~e]r; 277. This is the only
pronunciation in Scotland), n. [See Heath.]
Heath. [Scot.]
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Gorse and grass
And heather, where his footsteps pass,
The brighter seem. --Longfellow.
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Heather bell (Bot.), one of the pretty subglobose flowers
of two European kinds of heather (Erica Tetralix, and
Erica cinerea).
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Eucalyptus tetradonta
(gcide) | Stringy \String"y\, a.
1. Consisting of strings, or small threads; fibrous;
filamentous; as, a stringy root.
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2. Capable of being drawn into a string, as a glutinous
substance; ropy; viscid; gluely.
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Stringy bark (Bot.), a name given in Australia to several
trees of the genus Eucalyptus (as {Eucalyptus
amygdalina}, Eucalyptus obliqua, {Eucalyptus
capitellata}, Eucalyptus macrorhyncha, {Eucalyptus
piperita}, Eucalyptus pilularis, & {Eucalyptus
tetradonta}), which have a fibrous bark used by the
aborigines for making cordage and cloth.
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Galeopsis Tetrahit
(gcide) | Hemp \Hemp\ (h[e^]mp), n. [OE. hemp, AS. henep, h[ae]nep; akin
to D. hennep, OHG. hanaf, G. hanf, Icel. hampr, Dan. hamp,
Sw. hampa, L. cannabis, cannabum, Gr. ka`nnabis, ka`nnabos;
cf. Russ. konoplia, Skr. [,c]a[.n]a; all prob. borrowed from
some other language at an early time. Cf. Cannabine,
Canvas.]
1. (Bot.) A plant of the genus Cannabis ({Cannabis
sativa}), the fibrous skin or bark of which is used for
making cloth and cordage. The name is also applied to
various other plants yielding fiber.
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2. The fiber of the skin or rind of the plant, prepared for
spinning. The name has also been extended to various
fibers resembling the true hemp.
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African hemp, Bowstring hemp. See under African, and
Bowstring.
Bastard hemp, the Asiatic herb Datisca cannabina.
Canada hemp, a species of dogbane (Apocynum cannabinum),
the fiber of which was used by the Indians.
Hemp agrimony, a coarse, composite herb of Europe
(Eupatorium cannabinum), much like the American boneset.
Hemp nettle, a plant of the genus Galeopsis ({Galeopsis
Tetrahit}), belonging to the Mint family.
Indian hemp. See under Indian, a.
Manila hemp, the fiber of Musa textilis.
Sisal hemp, the fiber of Agave sisalana, of Mexico and
Yucatan.
Sunn hemp, a fiber obtained from a leguminous plant
(Crotalaria juncea).
Water hemp, an annual American weed (Acnida cannabina),
related to the amaranth.
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Halesia tetraptera
(gcide) | Silver \Sil"ver\, a.
1. Of or pertaining to silver; made of silver; as, silver
leaf; a silver cup.
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2. Resembling silver. Specifically:
(a) Bright; resplendent; white. "Silver hair." --Shak.
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Others, on silver lakes and rivers, bathed
Their downy breast. --Milton.
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(b) Precious; costly.
(c) Giving a clear, ringing sound soft and clear. "Silver
voices." --Spenser.
(d) Sweet; gentle; peaceful. "Silver slumber." --Spenser.
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American silver fir (Bot.), the balsam fir. See under
Balsam.
Silver age (Roman Lit.), the latter part (a. d. 14-180) of
the classical period of Latinity, -- the time of writers
of inferior purity of language, as compared with those of
the previous golden age, so-called.
Silver-bell tree (Bot.), an American shrub or small tree
(Halesia tetraptera) with white bell-shaped flowers in
clusters or racemes; the snowdrop tree.
Silver bush (Bot.), a shrubby leguminous plant ({Anthyllis
Barba-Jovis}) of Southern Europe, having silvery foliage.
Silver chub (Zool.), the fallfish.
Silver eel. (Zool.)
(a) The cutlass fish.
(b) A pale variety of the common eel.
Silver fir (Bot.), a coniferous tree (Abies pectinata)
found in mountainous districts in the middle and south of
Europe, where it often grows to the height of 100 or 150
feet. It yields Burgundy pitch and Strasburg turpentine.
Silver foil, foil made of silver.
Silver fox (Zool.), a variety of the common fox ({Vulpes
vulpes}, variety argenteus) found in the northern parts of
Asia, Europe, and America. Its fur is nearly black, with
silvery tips, and is highly valued. Called also {black
fox}, and silver-gray fox.
Silver gar. (Zool.) See Billfish
(a) .
Silver grain (Bot.), the lines or narrow plates of cellular
tissue which pass from the pith to the bark of an
exogenous stem; the medullary rays. In the wood of the oak
they are much larger than in that of the beech, maple,
pine, cherry, etc.
Silver grebe (Zool.), the red-throated diver. See Illust.
under Diver.
Silver hake (Zool.), the American whiting.
Silver leaf, leaves or sheets made of silver beaten very
thin.
Silver lunge (Zool.), the namaycush.
Silver moonfish.(Zool.) See Moonfish
(b) .
Silver moth (Zool.), a lepisma.
Silver owl (Zool.), the barn owl.
Silver perch (Zool.), the mademoiselle, 2.
Silver pheasant (Zool.), any one of several species of
beautiful crested and long-tailed Asiatic pheasants, of
the genus Euplocamus. They have the tail and more or
less of the upper parts silvery white. The most common
species (Euplocamus nychtemerus) is native of China.
Silver plate,
(a) domestic utensils made of a base metal coated with
silver.
(b) a plating of silver on a base metal.
Silver plover (Zool.), the knot.
Silver salmon (Zool.), a salmon (Oncorhynchus kisutch)
native of both coasts of the North Pacific. It ascends all
the American rivers as far south as the Sacramento. Called
also kisutch, whitefish, and white salmon.
Silver shell (Zool.), a marine bivalve of the genus Anomia.
See Anomia.
Silver steel, an alloy of steel with a very small
proportion of silver.
Silver stick, a title given to the title field officer of
the Life Guards when on duty at the palace. [Eng.]
--Thackeray.
Silver tree (Bot.), a South African tree ({Leucadendron
argenteum}) with long, silvery, silky leaves.
Silver trout, (Zool.) See Trout.
Silver wedding. See under Wedding.
Silver whiting (Zool.), a marine sciaenoid food fish
(Menticirrus littoralis) native of the Southern United
States; -- called also surf whiting.
Silver witch (Zool.), A lepisma.
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Icositetrahedron
(gcide) | Icositetrahedron \I`co*si*tet`ra*he"dron\, n. [Gr. ? twenty + ?,
combining form of ? four + ? seat, base.] (Crystallog.)
A twenty-four-sided solid; a tetragonal trisoctahedron or
trapezohedron.
[1913 Webster]Trisoctahedron \Tris*oc`ta*he"dron\, n. [Gr. ? thrice + FE.
octahedron.] (Crystallog.)
A solid of the isometric system bounded by twenty-four equal
faces, three corresponding to each face of an octahedron.
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Tetragonal trisoctahedron, a trisoctahedron each face of
which is a quadrilateral; called also trapezohedron and
icositetrahedron.
Trigonal trisoctahedron, a trisoctahedron each face of
which is an isosceles triangle.
[1913 Webster] Trispast |
icositetrahedron
(gcide) | Icositetrahedron \I`co*si*tet`ra*he"dron\, n. [Gr. ? twenty + ?,
combining form of ? four + ? seat, base.] (Crystallog.)
A twenty-four-sided solid; a tetragonal trisoctahedron or
trapezohedron.
[1913 Webster]Trisoctahedron \Tris*oc`ta*he"dron\, n. [Gr. ? thrice + FE.
octahedron.] (Crystallog.)
A solid of the isometric system bounded by twenty-four equal
faces, three corresponding to each face of an octahedron.
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Tetragonal trisoctahedron, a trisoctahedron each face of
which is a quadrilateral; called also trapezohedron and
icositetrahedron.
Trigonal trisoctahedron, a trisoctahedron each face of
which is an isosceles triangle.
[1913 Webster] Trispast |
Manis tetradactyla
(gcide) | Phatagin \Phat"a*gin\, n. [Cf. Gr. ?; perhaps from native name.]
(Zool.)
The long-tailed pangolin (Manis tetradactyla); -- called
also ipi.
[1913 Webster] PhD |
Otis tetrax
(gcide) | bustard \bus"tard\ (b[u^]s"t[~e]rd), n. [OF. & Prov. F.
bistarde, F. outarde, from L. avis tarda, lit., slow bird.
--Plin. 10, 22; "proxim[ae] iis sunt, quas Hispania aves
tardas appellat, Gr[ae]cia 'wti`das."] (Zool.)
A bird of the genus Otis.
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Note: The great or bearded bustard (Otis tarda) is the
largest game bird in Europe. It inhabits the temperate
regions of Europe and Asia, and was formerly common in
Great Britain. The little bustard (Otis tetrax)
inhabits eastern Europe and Morocco. Many other species
are known in Asia and Africa.
[1913 Webster]field \field\ (f[=e]ld), n. [OE. feld, fild, AS. feld; akin to
D. veld, G. feld, Sw. f[aum]lt, Dan. felt, Icel. fold field
of grass, AS. folde earth, land, ground, OS. folda.]
1. Cleared land; land suitable for tillage or pasture;
cultivated ground; the open country.
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2. A piece of land of considerable size; esp., a piece
inclosed for tillage or pasture.
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Fields which promise corn and wine. --Byron.
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3. A place where a battle is fought; also, the battle itself.
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In this glorious and well-foughten field. --Shak.
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What though the field be lost? --Milton.
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4. An open space; an extent; an expanse. Esp.:
(a) Any blank space or ground on which figures are drawn
or projected.
(b) The space covered by an optical instrument at one
view; as, wide-field binoculars.
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Without covering, save yon field of stars.
--Shak.
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Ask of yonder argent fields above. --Pope.
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5. (Her.) The whole surface of an escutcheon; also, so much
of it is shown unconcealed by the different bearings upon
it. See Illust. of Fess, where the field is represented
as gules (red), while the fess is argent (silver).
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6. An unresticted or favorable opportunity for action,
operation, or achievement; province; room.
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Afforded a clear field for moral experiments.
--Macaulay.
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7. (Sports) An open, usually flat, piece of land on which a
sports contest is played; a playing field; as, a football
field; a baseball field.
Syn: playing field, athletic field, playing area.
[PJC]
8. Specifically: (Baseball) That part of the grounds reserved
for the players which is outside of the diamond; -- called
also outfield.
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9. A geographic region (land or sea) which has some notable
feature, activity or valuable resource; as, the diamond
fields of South Africa; an oil field; a gold field; an ice
field.
[WordNet 1.6]
10. A facility having an airstrip where airplanes can take
off and land; an airfield.
Syn: airfield, landing field, flying field, aerodrome.
[WordNet 1.6]
11. A collective term for all the competitors in any outdoor
contest or trial, or for all except the favorites in the
betting.
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12. A branch of knowledge or sphere of activity; especially,
a learned or professional discipline; as, she's an expert
in the field of geology; in what field did she get her
doctorate?; they are the top company in the field of
entertainment.
Syn: discipline, subject, subject area, subject field, field
of study, study, branch of knowledge.
[WordNet 1.6]
Note: Within the master text files of this electronic
dictionary, where a word is used in a specific sense in
some specialized field of knowledge, that field is
indicated by the tags: () preceding that sense of the
word.
[PJC]
13. A location, usually outdoors, away from a studio or
office or library or laboratory, where practical work is
done or data is collected; as, anthropologists do much of
their work in the field; the paleontologist is in the
field collecting specimens. Usually used in the phrase
in the field.
[WordNet 1.6]
14. (Physics) The influence of a physical object, such as an
electrically charged body, which is capable of exerting
force on objects at a distance; also, the region of space
over which such an influence is effective; as, the
earth's gravitational field; an electrical field; a
magnetic field; a force field.
[PJC]
15. (Math.) A set of elements within which operations can be
defined analagous to the operations of addition,
subtraction, multiplication, and division on the real
numbers; within such a set of elements addition and
multiplication are commutative and associative and
multiplication is distributive over addition and there
are two elements 0 and 1; a commutative division ring;
as, the set of all rational numbers is a field.
[WordNet 1.6]
Note: Field is often used adjectively in the sense of
belonging to, or used in, the fields; especially with
reference to the operations and equipments of an army
during a campaign away from permanent camps and
fortifications. In most cases such use of the word is
sufficiently clear; as, field battery; field
fortification; field gun; field hospital, etc. A field
geologist, naturalist, etc., is one who makes
investigations or collections out of doors. A survey
uses a field book for recording field notes, i.e.,
measurment, observations, etc., made in field work
(outdoor operations). A farmer or planter employs field
hands, and may use a field roller or a field derrick.
Field sports are hunting, fishing, athletic games, etc.
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Coal field (Geol.) See under Coal.
Field artillery, light ordnance mounted on wheels, for the
use of a marching army.
Field basil (Bot.), a plant of the Mint family ({Calamintha
Acinos}); -- called also basil thyme.
Field colors (Mil.), small flags for marking out the
positions for squadrons and battalions; camp colors.
Field cricket (Zool.), a large European cricket ({Gryllus
campestric}), remarkable for its loud notes.
Field day.
(a) A day in the fields.
(b) (Mil.) A day when troops are taken into the field for
instruction in evolutions. --Farrow.
(c) A day of unusual exertion or display; a gala day.
Field driver, in New England, an officer charged with the
driving of stray cattle to the pound.
Field duck (Zool.), the little bustard (Otis tetrax),
found in Southern Europe.
Field glass. (Optics)
(a) A binocular telescope of compact form; a lorgnette; a
race glass.
(b) A small achromatic telescope, from 20 to 24 inches
long, and having 3 to 6 draws.
(c) See Field lens.
Field lark. (Zool.)
(a) The skylark.
(b) The tree pipit.
Field lens (Optics), that one of the two lenses forming the
eyepiece of an astronomical telescope or compound
microscope which is nearer the object glass; -- called
also field glass.
Field madder (Bot.), a plant (Sherardia arvensis) used in
dyeing.
Field marshal (Mil.), the highest military rank conferred
in the British and other European armies.
Field officer (Mil.), an officer above the rank of captain
and below that of general.
Field officer's court (U.S.Army), a court-martial
consisting of one field officer empowered to try all
cases, in time of war, subject to jurisdiction of garrison
and regimental courts. --Farrow.
Field plover (Zool.), the black-bellied plover ({Charadrius
squatarola}); also sometimes applied to the Bartramian
sandpiper (Bartramia longicauda).
Field spaniel (Zool.), a small spaniel used in hunting
small game.
Field sparrow. (Zool.)
(a) A small American sparrow (Spizella pusilla).
(b) The hedge sparrow. [Eng.]
Field staff (Mil.), a staff formerly used by gunners to
hold a lighted match for discharging a gun.
Field vole (Zool.), the European meadow mouse.
Field of ice, a large body of floating ice; a pack.
Field, or Field of view, in a telescope or microscope,
the entire space within which objects are seen.
Field magnet. see under Magnet.
Magnetic field. See Magnetic.
To back the field, or To bet on the field. See under
Back, v. t. -- To keep the field.
(a) (Mil.) To continue a campaign.
(b) To maintain one's ground against all comers.
To lay against the field or To back against the field, to
bet on (a horse, etc.) against all comers.
To take the field (Mil.), to enter upon a campaign.
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Pseudotetramera
(gcide) | Pseudotetramera \Pseu`do*te*tram"e*ra\, n. pl. [NL. See
Pseudo-, and Tetramerous.] (Zool.)
A division of beetles having the fifth tarsal joint minute
and obscure, so that there appear to be but four joints. --
Pseu`do*te*tram"er*al, a.
[1913 Webster] |
Pseudotetrameral
(gcide) | Pseudotetramera \Pseu`do*te*tram"e*ra\, n. pl. [NL. See
Pseudo-, and Tetramerous.] (Zool.)
A division of beetles having the fifth tarsal joint minute
and obscure, so that there appear to be but four joints. --
Pseu`do*te*tram"er*al, a.
[1913 Webster] |
Psophocarpus tetragonolobus
(gcide) | manila bean \manila bean\ n.
A tuberous-rooted twining annual vine ({Psophocarpus
tetragonolobus}) bearing clusters of purplish flowers and
pods with four jagged wings; Old World tropics.
Syn: winged bean, winged pea, goa bean, goa bean vine,
Psophocarpus tetragonolobus.
[WordNet 1.5] |
Regular tetrahedron
(gcide) | Tetrahedron \Tet`ra*he"dron\, n. [Tetra- + Gr. ? seat, base, fr.
? to sit.] (Geom.)
A solid figure inclosed or bounded by four triangles.
[1913 Webster]
Note: In crystallography, the regular tetrahedron is regarded
as the hemihedral form of the regular octahedron.
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Regular tetrahedron (Geom.), a solid bounded by four equal
equilateral triangles; one of the five regular solids.
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Sophora tetraptera
(gcide) | kowhai \kowhai\ n.
A shrub or small tree (Sophora tetraptera) of New Zealand
and Chile having pendulous racemes of tubular golden-yellow
flowers; it yields a hard strong wood.
Syn: Sophora tetraptera.
[WordNet 1.5] |
Suricata tetradactyla
(gcide) | suricat \su"ri*cat\, suricate \su"ri*cate\(s[=u]"r[i^]*k[a^]t),
n. [F. surikate, from the native name in South Africa.]
(Zool.)
A South African mongooselike viverrine (Suricata suricatta
or Suricata tetradactyla) having a lemurlike face and only
four toes; called also mierkat, yellow mongoose and
zenick. [Also spelled surikate.]
Note: The animal called zenick seems also to be related to
or identical to the mierkat, but no reference can be
found on the internet.
Syn: meerkat.
[1913 Webster + WordNet 1.5]Zenick \Ze"nick\, n. (Zool.)
A South African burrowing mammal (Suricata tetradactyla),
allied to the civets. It is grayish brown, with yellowish
transverse stripes on the back. Called also suricat.
[obsolete]
Note: This term is not found on the internet. It probably
refers to the meerkat, also called suricate.
[1913 Webster] |
Tamandua tetradactyla
(gcide) | Tamandu \Ta*man"du\, n. [Sp., from the native name: cf. F.
tamandua.] (Zool.)
A small ant-eater (Tamandua tetradactyla) native of the
tropical parts of South America.
[1913 Webster]
Note: It has five toes on the fore feet, an elongated snout,
small ears, and short woolly hair. Its tail is stout
and hairy at the base, tapering, and covered with
minute scales, and is somewhat prehensile at the end.
Called also tamandua, little ant-bear,
fourmilier, and cagouare. The collared, or striped,
tamandu (Tamandua bivittata) is considered a distinct
species by some writers, but by others is regarded as
only a variety.
[1913 Webster] |
Tetrabasic
(gcide) | Tetrabasic \Tet`ra*bas"ic\, a. [Tetra- + basic.] (Chem.)
Capable of neutralizing four molecules of a monacid base;
having four hydrogen atoms capable of replacement by bases;
quadribasic; -- said of certain acids; thus, normal silicic
acid, Si(OH)4, is a tetrabasic acid.
[1913 Webster] |
tetraboric
(gcide) | Pyroboric \Pyr`o*bo"ric\, a. [Pyro- + boric.] (Chem.)
Pertaining to derived from, or designating, an acid, H2B4O7
(called also tetraboric acid), which is the acid ingredient
of ordinary borax, and is obtained by heating boric acid.
[1913 Webster]Tetraboric \Tet`ra*bor"ic\, a. [Tetra- + boric.] (Chem.)
Same as Pyroboric.
[1913 Webster] |
Tetraboric
(gcide) | Pyroboric \Pyr`o*bo"ric\, a. [Pyro- + boric.] (Chem.)
Pertaining to derived from, or designating, an acid, H2B4O7
(called also tetraboric acid), which is the acid ingredient
of ordinary borax, and is obtained by heating boric acid.
[1913 Webster]Tetraboric \Tet`ra*bor"ic\, a. [Tetra- + boric.] (Chem.)
Same as Pyroboric.
[1913 Webster] |
Tetrabranchiata
(gcide) | Tetrabranchiata \Tet`ra*bran`chi*a"ta\, n. pl. [NL. See
Tetra-, and Branchia.] (Zool.)
An order of Cephalopoda having four gills. Among living
species it includes only the pearly nautilus. Numerous genera
and species are found in the fossil state, such as Ammonites,
Baculites, Orthoceras, etc.
[1913 Webster] |
Tetrabranchiate
(gcide) | Tetrabranchiate \Tet`ra*bran`chi*ate\, a. [Tetra + branchiate.]
(Zool.)
Of or pertaining to the Tetrabranchiata. -- n. One of the
Tetrabranchiata.
[1913 Webster] |
Tetracarpel
(gcide) | Tetracarpel \Tet`ra*car"pel\, a. [Tetra- + carpellary.] (Bot.)
Composed of four carpels.
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Tetracera alnifolia
(gcide) | Water tree \Wa"ter tree`\ (Bot.)
A climbing shrub (Tetracera alnifolia syn. {Tetracera
potatoria}) of Western Africa, which pours out a watery sap
from the freshly cut stems.
[1913 Webster] |
Tetracera potatoria
(gcide) | Water tree \Wa"ter tree`\ (Bot.)
A climbing shrub (Tetracera alnifolia syn. {Tetracera
potatoria}) of Western Africa, which pours out a watery sap
from the freshly cut stems.
[1913 Webster] |
Tetraceros quadricornis
(gcide) | Chikara \Chi*ka"ra\, n. [Hind.] (Zool.)
(a) The goat antelope (Tragops Bennettii) of India.
(b) The Indian four-horned antelope ({Tetraceros
quadricornis}).
[1913 Webster] Chilblain |
Tetrachord
(gcide) | Tetrachord \Tet"ra*chord\, n. [L. tetrachordon, Gr. ?, from ?
four-stringed; te`tra- (see Tetra-) + ? a chord: cf. F.
t['e]trachorde.] (Anc. Mus.)
A scale series of four sounds, of which the extremes, or
first and last, constituted a fourth. These extremes were
immutable; the two middle sounds were changeable.
[1913 Webster] |
Tetrachotomous
(gcide) | Tetrachotomous \Tet`ra*chot"o*mous\, a. [Gr. te`tracha in four
parts + te`mnein to cut.] (Bot.)
Having a division by fours; separated into four parts or
series, or into series of fours.
[1913 Webster] |
Tetracid
(gcide) | Tetracid \Tet*rac"id\, a. [Tetra + acid.] (Chem.)
Capable of neutralizing four molecules of a monobasic acid;
having four hydrogen atoms capable of replacement ba acids or
acid atoms; -- said of certain bases; thus, erythrine,
C4H6(OH)4, is a tetracid alcohol.
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Tetracoccous
(gcide) | Tetracoccous \Tet`ra*coc"cous\, a. [See Tetra-, and Coccus.]
(Bot.)
Having four cocci, or carpels.
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Tetracolon
(gcide) | Tetracolon \Tet`ra*co"lon\, n. [Gr. ? with four members; te`tra-
(see Tetra-) + ? limb, member.] (Pros.)
A stanza or division in lyric poetry, consisting of four
verses or lines. --Crabb.
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Tetracoralla
(gcide) | Tetracoralla \Te`tra*co*ral"la\, n. pl. [NL. See Tetra-, and
Corallum.] (Paleon.)
Same as Rugosa.
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Tetractinellid
(gcide) | Tetractinellid \Te*trac`ti*nel"lid\, n. (Zool.)
Any species of sponge of the division Tetractinellida. Also
used adjectively.
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Tetractinellida
(gcide) | Tetractinellida \Te*trac`ti*nel"li*da\, n. pl. [NL., from Gr.
te`tra- tetra- + ?, ?, ray, spoke.] (Zool.)
A division of Spongiae in which the spicules are siliceous
and have four branches diverging at right angles. Called also
Tetractinellinae.
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Tetractinellinae
(gcide) | Tetractinellida \Te*trac`ti*nel"li*da\, n. pl. [NL., from Gr.
te`tra- tetra- + ?, ?, ray, spoke.] (Zool.)
A division of Spongiae in which the spicules are siliceous
and have four branches diverging at right angles. Called also
Tetractinellinae.
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Tetrad
(gcide) | Tetrad \Tet"rad\, n. [L. tetras, -adis, Gr. ?, ?: cf. F.
t['e]trade.]
1. The number four; a collection of four things; a
quaternion.
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2. (Chem.) A tetravalent or quadrivalent atom or radical; as,
carbon is a tetrad.
[1913 Webster] Tetradactyl |
Tetradactyl
(gcide) | Tetradactyl \Tet`ra*dac"tyl\, Tetradactyle \Tet`ra*dac"tyle\, a.
[Cf. F. t['e]tradactyle.] (Zool.)
Tetradactylous.
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Tetradactyle
(gcide) | Tetradactyl \Tet`ra*dac"tyl\, Tetradactyle \Tet`ra*dac"tyle\, a.
[Cf. F. t['e]tradactyle.] (Zool.)
Tetradactylous.
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Tetradactylous
(gcide) | Tetradactylous \Tet`ra*dac"tyl*ous\, a. [Gr. ?; te`tra- (see
Tetra-) + ? finger, toe.] (Zool.)
Having, or characterized by, four digits to the foot or hand.
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Tetradecane
(gcide) | Tetradecane \Tet`ra*dec"ane\, n. [Tetra- + Gr. ? ten.] (Chem.)
A light oily hydrocarbon, C14H30, of the marsh-gas series;
-- so called from the fourteen carbon atoms in the molecule.
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Tetradecapoda
(gcide) | Tetradecapoda \Tet`ra*de*cap"o*da\, n. pl. [NL. See Tetra-,
and Decapoda.] (Zool.)
Same as Arthrostraca.
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Tetradic
(gcide) | Tetradic \Tet*rad"ic\, a. (Chem.)
Of or pertaining to a tetrad; possessing or having the
characteristics of a tetrad; as, a carbon is a tetradic
element.
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Tetradite
(gcide) | Tetradite \Tet"ra*dite\, n. [See Tetrad.]
A person in some way remarkable with regard to the number
four, as one born on the fourth day of the month, or one who
reverenced four persons in the Godhead. --Smart.
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tetradon
(gcide) | Tetrodon \Tet"ro*don\, n. [Tetra- + Gr. ?, ?, tooth.] (Zool.)
Any one of numerous species of plectognath fishes belonging
to Tetrodon and allied genera. Each jaw is furnished with
two large, thick, beaklike, bony teeth. [Written also
tetradon.]
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Note: The skin is usually spinous, and the belly is capable
of being greatly distended by air or water. It includes
the swellfish, puffer
(a), and similar species.
[1913 Webster]Tetradon \Tet"ra*don\, n. (Zool.)
See Tetrodon.
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Tetradon
(gcide) | Tetrodon \Tet"ro*don\, n. [Tetra- + Gr. ?, ?, tooth.] (Zool.)
Any one of numerous species of plectognath fishes belonging
to Tetrodon and allied genera. Each jaw is furnished with
two large, thick, beaklike, bony teeth. [Written also
tetradon.]
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Note: The skin is usually spinous, and the belly is capable
of being greatly distended by air or water. It includes
the swellfish, puffer
(a), and similar species.
[1913 Webster]Tetradon \Tet"ra*don\, n. (Zool.)
See Tetrodon.
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tetradont
(gcide) | Tetrodont \Tet"ro*dont\, a. (Zool.)
Of or pertaining to the tetrodons. -- n. A tetrodon. [Written
also tetradont, and tetraodont.]
[1913 Webster]Tetradont \Tet"ra*dont\, a. & n. (Zool.)
See Tetrodont.
[1913 Webster] Tetradrachm |
Tetradont
(gcide) | Tetrodont \Tet"ro*dont\, a. (Zool.)
Of or pertaining to the tetrodons. -- n. A tetrodon. [Written
also tetradont, and tetraodont.]
[1913 Webster]Tetradont \Tet"ra*dont\, a. & n. (Zool.)
See Tetrodont.
[1913 Webster] Tetradrachm |
tetradrachm
(gcide) | Stater \Sta"ter\ (st[=a]"t[~e]r), n. [L. stater, Gr. stath`r.]
(Gr. Antiq.)
The principal gold coin of ancient Greece. It varied much in
value, the stater best known at Athens being worth about
[pounds]1 2s., or about $5.35 (in 1890 value). The Attic
silver tetradrachm was in later times called stater.
[1913 Webster +PJC]Tetradrachm \Tet"ra*drachm\, Tetradrachma \Tet`ra*drach"ma\, n.
[NL. tetradrachma, fr. Gr. tetra`drachmon; te`tra- (see
Tetra-) + drachmh` drachm, drachma.]
A silver coin among the ancient Greeks, of the value of four
drachms.
Note: The Attic tetradrachm was equal to 3s. 3d. sterling, or
about 76 cents.
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Tetradrachm
(gcide) | Stater \Sta"ter\ (st[=a]"t[~e]r), n. [L. stater, Gr. stath`r.]
(Gr. Antiq.)
The principal gold coin of ancient Greece. It varied much in
value, the stater best known at Athens being worth about
[pounds]1 2s., or about $5.35 (in 1890 value). The Attic
silver tetradrachm was in later times called stater.
[1913 Webster +PJC]Tetradrachm \Tet"ra*drachm\, Tetradrachma \Tet`ra*drach"ma\, n.
[NL. tetradrachma, fr. Gr. tetra`drachmon; te`tra- (see
Tetra-) + drachmh` drachm, drachma.]
A silver coin among the ancient Greeks, of the value of four
drachms.
Note: The Attic tetradrachm was equal to 3s. 3d. sterling, or
about 76 cents.
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Tetradrachma
(gcide) | Tetradrachm \Tet"ra*drachm\, Tetradrachma \Tet`ra*drach"ma\, n.
[NL. tetradrachma, fr. Gr. tetra`drachmon; te`tra- (see
Tetra-) + drachmh` drachm, drachma.]
A silver coin among the ancient Greeks, of the value of four
drachms.
Note: The Attic tetradrachm was equal to 3s. 3d. sterling, or
about 76 cents.
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Tetradymite
(gcide) | Tetradymite \Tet*rad"y*mite\, n. [Gr. tetra`dymos fourfold. So
named from its occurrence in compound twin crystals, or
fourlings.] (Min.)
A telluride of bismuth. It is of a pale steel-gray color and
metallic luster, and usually occurs in foliated masses.
Called also telluric bismuth.
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Tetradynamia
(gcide) | Tetradynamia \Tet`ra*dy*na"mi*a\, n. pl. [NL., fr. Gr. te`tra-
(see Tetra-) + ? power.] (Bot.)
A Linnaean class of plants having six stamens, four of which
are longer than the others.
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Tetradynamian
(gcide) | Tetradynamian \Tet`ra*dy*na"mi*an\, n. (Bot.)
A plant of the order Tetradynamia.
[1913 Webster] TetradynamianTetradynamian \Tet`ra*dy*na"mi*an\, Tetradynamous
\Tet`ra*dyn"a*mous\, a. (Bot.)
Belonging to the order Tetradynamia; having six stamens, four
of which are uniformly longer than the others.
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Tetradynamous
(gcide) | Tetradynamian \Tet`ra*dy*na"mi*an\, Tetradynamous
\Tet`ra*dyn"a*mous\, a. (Bot.)
Belonging to the order Tetradynamia; having six stamens, four
of which are uniformly longer than the others.
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Tetragon
(gcide) | Tetragon \Tet"ra*gon\, n. [L. tetragonum, Gr. tetra`gwnon;
te`tra- (see Tetra-) + gwni`a corner, angle: cf. F.
t['e]tragone.]
1. (Geom.) A plane figure having four sides and angles; a
quadrangle, as a square, a rhombus, etc.
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2. (Astrol.) An aspect of two planets with regard to the
earth when they are distant from each other ninety
degrees, or the fourth of a circle. --Hutton.
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Tetragonal
(gcide) | Tetragonal \Te*trag"o*nal\, a.
1. (Geom.) Of or pertaining to a tetragon; having four angles
or sides; thus, the square, the parallelogram, the
rhombus, and the trapezium are tetragonal fingers.
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2. (Bot.) Having four prominent longitudinal angles.
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3. (Crystallog.) Designating, or belonging to, a certain
system of crystallization; dimetric. See {Tetragonal
system}, under Crystallization.
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Tetragonal trisoctahedron
(gcide) | Trisoctahedron \Tris*oc`ta*he"dron\, n. [Gr. ? thrice + FE.
octahedron.] (Crystallog.)
A solid of the isometric system bounded by twenty-four equal
faces, three corresponding to each face of an octahedron.
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Tetragonal trisoctahedron, a trisoctahedron each face of
which is a quadrilateral; called also trapezohedron and
icositetrahedron.
Trigonal trisoctahedron, a trisoctahedron each face of
which is an isosceles triangle.
[1913 Webster] Trispast |
Tetragonia expansa
(gcide) | Spinach \Spin"ach\, Spinage \Spin"age\, n. [OF. espinache,
espinoche, F. ['e]pinard; cf. F. spinace, Sp. espinaca; all
fr. Ar. isf[=a]n[=a]j, isfin[=a]j, aspan[=a]kh, probably of
Persian origin.] (Bot.)
A common pot herb (Spinacia oleracea) belonging to the
Goosefoot family.
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Mountain spinach. See Garden orache, under Orache.
New Zealand spinach (Bot.), a coarse herb ({Tetragonia
expansa}), a poor substitute for spinach.
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Note: Various other pot herbs are locally called spinach.
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Tetragrammaton
(gcide) | Tetragrammaton \Tet`ra*gram"ma*ton\, n. [NL., fr. Gr. ?; te`tra-
(see Tetra-) + ? a letter.]
The mystic number four, which was often symbolized to
represent the Deity, whose name was expressed by four letters
among some ancient nations; as, the Hebrew JeHoVaH, Greek
qeo`s, Latin deus, etc.
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Tetragynia
(gcide) | Tetragynia \Tet`ra*gyn"i*a\, n. pl. [NL., fr. Gr. te`tra- (see
Tetra-) + gynh` a woman, female.] (Bot.)
A Linnaean order of plants having four styles.
[1913 Webster] Tetragynian |
Tetragynian
(gcide) | Tetragynian \Tet`ra*gyn"i*an\, Tetragynous \Te*trag"y*nous\, a.
(Bot.)
Belonging to the order Tetragynia; having four styles.
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Tetragynous
(gcide) | Tetragynian \Tet`ra*gyn"i*an\, Tetragynous \Te*trag"y*nous\, a.
(Bot.)
Belonging to the order Tetragynia; having four styles.
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Tetrahedral
(gcide) | Tetrahedral \Tet`ra*he"dral\, a. [See Tetrahedron.]
1. Having, or composed of, four sides.
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2. (Crystallog.)
(a) Having the form of the regular tetrahedron.
(b) Pertaining or related to a tetrahedron, or to the
system of hemihedral forms to which the tetrahedron
belongs.
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Tetrahedral angle (Geom.), a solid angle bounded or
inclosed by four plane angles.
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Tetrahedral angle
(gcide) | Tetrahedral \Tet`ra*he"dral\, a. [See Tetrahedron.]
1. Having, or composed of, four sides.
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2. (Crystallog.)
(a) Having the form of the regular tetrahedron.
(b) Pertaining or related to a tetrahedron, or to the
system of hemihedral forms to which the tetrahedron
belongs.
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Tetrahedral angle (Geom.), a solid angle bounded or
inclosed by four plane angles.
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Tetrahedrally
(gcide) | Tetrahedrally \Tet`ra*he"dral*ly\, adv.
In a tetrahedral manner.
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Tetrahedrite
(gcide) | Tetrahedrite \Tet`ra*he"drite\, n. [So called because the
crystals of the species are commonly tetrahedrons.] (Min.)
A sulphide of antimony and copper, with small quantities of
other metals. It is a very common ore of copper, and some
varieties yield a considerable presentage of silver. Called
also gray copper ore, fahlore, and panabase.
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