| slovo | definícia |
diatom
(encz) | diatom,rozsivka n: Zdeněk Brož |
Diatom
(gcide) | Diatom \Di"a*tom\ (d[imac]`[.a]*t[o^]m), n. [Gr. dia`tomos cut
in two. See Diatomous.]
1. (Bot.) One of the Diatomace[ae], a family of minute
unicellular Alg[ae] having a siliceous covering of great
delicacy, each individual multiplying by spontaneous
division. By some authors diatoms are called
Bacillari[ae], but this word is not in general use.
[1913 Webster]
2. A particle or atom endowed with the vital principle.
[1913 Webster]
The individual is nothing. He is no more than the
diatom, the bit of protoplasm. --Mrs. E. Lynn
Linton.
[1913 Webster] |
diatom
(wn) | diatom
n 1: microscopic unicellular marine or freshwater colonial alga
having cell walls impregnated with silica |
| | podobné slovo | definícia |
class diatomophyceae
(encz) | class Diatomophyceae, n: |
diatom
(encz) | diatom,rozsivka n: Zdeněk Brož |
diatomaceous earth
(encz) | diatomaceous earth, n: |
diatomic
(encz) | diatomic,dvojatomový adj: Zdeněk Broždiatomic,dvojmocný adj: Zdeněk Brož |
diatomit filter
(encz) | diatomit filter,křemelinový filtr [eko.] RNDr. Pavel Piskač |
diatomite
(encz) | diatomite,diatomit n: Zdeněk Brož |
diatomit
(czen) | diatomit,diatomiten: Zdeněk Broždiatomit,kieselguhrn: Zdeněk Brož |
Diatomaceae
(gcide) | Animalcule \An`i*mal"cule\, n. [As if fr. a L. animalculum, dim.
of animal.]
1. A small animal, as a fly, spider, etc. [Obs.] --Ray.
[1913 Webster]
2. (Zool.) An animal, invisible, or nearly so, to the naked
eye. See Infusoria.
[1913 Webster]
Note: Many of the so-called animalcules have been shown to be
plants, having locomotive powers something like those
of animals. Among these are Volvox, the
Desmidiac[ae], and the siliceous Diatomace[ae].
[1913 Webster]
Spermatic animalcules. See Spermatozoa.
[1913 Webster] |
diatomaceous
(gcide) | diatomaceous \di`a*to*ma"ceous\
(d[imac]`[.a]*t[-o]*m[=a]"sh[u^]s), a. [See Diatomous.]
consisting of or containing diatoms or their fossils; as,
diatomaceous earth (used as a component of dynamite).
[PJC] |
diatomaceous earth
(gcide) | Infusorial \In`fu*so"ri*al\, a. (Zool.)
Belonging to the Infusoria; composed of, or containing,
Infusoria; as, infusorial earth.
[1913 Webster]
Infusorial earth (Geol.), a deposit of fine, usually white,
siliceous material, composed mainly of the shells of the
microscopic plants called diatoms; also called
diatomaceous earth, kieselguhr, and diatomite. It is
used in polishing powder, and in the manufacture of
dynamite.
[1913 Webster +PJC]diatomaceous earth \di`a*to*ma"ceous earth`\ (Geol.),
a deposit of fine, usually white, siliceous material,
composed mainly of the shells of the microscopic plants
called diatoms; also called infusorial earth, kieselguhr,
and diatomite. It is used in polishing powder, and in the
manufacture of dynamite.
[1913 Webster +PJC] |
diatomic
(gcide) | diatomic \di`a*tom"ic\ (d[imac]`[.a]*t[o^]m"[i^]k), a. [Pref.
di- + atomic.] (Chem.)
(a) Containing two atoms.
(b) Having two replaceable atoms or radicals.
[1913 Webster] |
diatomite
(gcide) | Infusorial \In`fu*so"ri*al\, a. (Zool.)
Belonging to the Infusoria; composed of, or containing,
Infusoria; as, infusorial earth.
[1913 Webster]
Infusorial earth (Geol.), a deposit of fine, usually white,
siliceous material, composed mainly of the shells of the
microscopic plants called diatoms; also called
diatomaceous earth, kieselguhr, and diatomite. It is
used in polishing powder, and in the manufacture of
dynamite.
[1913 Webster +PJC]diatomaceous earth \di`a*to*ma"ceous earth`\ (Geol.),
a deposit of fine, usually white, siliceous material,
composed mainly of the shells of the microscopic plants
called diatoms; also called infusorial earth, kieselguhr,
and diatomite. It is used in polishing powder, and in the
manufacture of dynamite.
[1913 Webster +PJC] |
Diatomophyceae
(gcide) | Diatomophyceae \Diatomophyceae\ n.
a class of marine and freshwater eukaryotic algae comprising
the diatoms.
Syn: Bacillariophyceae, class Bacillariophyceae, class
Diatomophyceae.
[WordNet 1.5] |
Diatomous
(gcide) | Diatomous \Di*at"o*mous\, a. [Gr. dia`tomos cut through, fr.
diate`mnein to cut through; dia` through + te`mnein to cut.
Cf. Diatom.] (Min.)
Having a single, distinct, diagonal cleavage; -- said of
crystals. --Mohs.
[1913 Webster] |
class diatomophyceae
(wn) | class Diatomophyceae
n 1: marine and freshwater eukaryotic algae: diatoms [syn:
Bacillariophyceae, class Bacillariophyceae,
Diatomophyceae, class Diatomophyceae] |
diatom
(wn) | diatom
n 1: microscopic unicellular marine or freshwater colonial alga
having cell walls impregnated with silica |
diatomaceous earth
(wn) | diatomaceous earth
n 1: a light soil consisting of siliceous diatom remains and
often used as a filtering material [syn: {diatomaceous
earth}, diatomite, kieselguhr] |
diatomic
(wn) | diatomic
adj 1: of or relating to a molecule made up of two atoms; "a
diatomic molecule" |
diatomite
(wn) | diatomite
n 1: a light soil consisting of siliceous diatom remains and
often used as a filtering material [syn: {diatomaceous
earth}, diatomite, kieselguhr] |
diatomophyceae
(wn) | Diatomophyceae
n 1: marine and freshwater eukaryotic algae: diatoms [syn:
Bacillariophyceae, class Bacillariophyceae,
Diatomophyceae, class Diatomophyceae] |
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