| slovo | definícia |
cerium
(encz) | cerium,cer n: Zdeněk Brož |
Cerium
(gcide) | Cerium \Ce"ri*um\, n. [Named by Berzelius in 1803 from the
asteroid Ceres, then just discovered (1801).] (Chem.)
A rare metallic element, occurring in the minerals cerite,
allanite, monazite, etc. Symbol Ce. Atomic weight 141.5. It
resembles iron in color and luster, but is soft, and both
malleable and ductile. It tarnishes readily in the air.
[1913 Webster] |
cerium
(wn) | cerium
n 1: a ductile grey metallic element of the lanthanide series;
used in lighter flints; the most abundant of the rare-earth
group [syn: cerium, Ce, atomic number 58] |
cerium
(elements) | cerium
Symbol: Ce
Atomic number: 58
Atomic weight: 140.12
Silvery metallic element, belongs to the lanthanoids. Four natural
isotopes exist, and fifteen radioactive isotopes have been identified.
Used in some rare-earth alloys. The oxidized form is used in the glass
industry. Discovered by Martin .H. Klaproth in 1803.
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| | podobné slovo | definícia |
ferrocerium
(encz) | ferrocerium, n: |
Cerium
(gcide) | Cerium \Ce"ri*um\, n. [Named by Berzelius in 1803 from the
asteroid Ceres, then just discovered (1801).] (Chem.)
A rare metallic element, occurring in the minerals cerite,
allanite, monazite, etc. Symbol Ce. Atomic weight 141.5. It
resembles iron in color and luster, but is soft, and both
malleable and ductile. It tarnishes readily in the air.
[1913 Webster] |
cerium epidote
(gcide) | Epidote \Ep"i*dote\, n. [Gr. ? to give besides; ? over + ? to
give: cf. F. ['e]pidote. So named from the enlargement of the
base of the primary, in some of the secondary forms.] (Min.)
A mineral, commonly of a yellowish green (pistachio) color,
occurring granular, massive, columnar, and in monoclinic
crystals. It is a silicate of alumina, lime, and oxide of
iron, or manganese.
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Note: The Epidote group includes ordinary epidote, zoisite or
lime epidote, piedmontite or manganese epidote,
allanite or cerium epidote.
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Platycerium alcicorne
(gcide) | Stag \Stag\ (st[a^]g), n. [Icel. steggr the male of several
animals; or a doubtful AS. stagga. Cf. Steg.]
1. (Zool.)
(a) The adult male of the red deer (Cervus elaphus), a
large European species closely related to the American
elk, or wapiti.
(b) The male of certain other species of large deer.
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2. A colt, or filly; also, a romping girl. [Prov. Eng.]
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3. A castrated bull; -- called also bull stag, and {bull
seg}. See the Note under Ox.
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4. (Stock Exchange)
(a) An outside irregular dealer in stocks, who is not a
member of the exchange. [Cant]
(b) One who applies for the allotment of shares in new
projects, with a view to sell immediately at a
premium, and not to hold the stock. [Cant]
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5. (Zool.) The European wren. [Prov. Eng.]
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Stag beetle (Zool.), any one of numerous species of
lamellicorn beetles belonging to Lucanus and allied
genera, especially Lucanus cervus of Europe and {Lucanus
dama} of the United States. The mandibles are large and
branched, or forked, whence the name. The larva feeds on
the rotten wood of dead trees. Called also horned bug,
and horse beetle.
Stag dance, a dance by men only. [Slang, U.S.]
Stag hog (Zool.), the babiroussa.
Stag-horn coral (Zool.), any one of several species of
large branching corals of the genus Madrepora, which
somewhat resemble the antlers of the stag, especially
Madrepora cervicornis, and Madrepora palmata, of
Florida and the West Indies.
Stag-horn fern (Bot.), an Australian and West African fern
(Platycerium alcicorne) having the large fronds branched
like a stag's horns; also, any species of the same genus.
Stag-horn sumac (Bot.), a common American shrub ({Rhus
typhina}) having densely velvety branchlets. See Sumac.
Stag party, a party consisting of men only. [Slang, U. S.]
Stag tick (Zool.), a parasitic dipterous insect of the
family Hippoboscidae, which lives upon the stag and is
usually wingless. The same species lives also upon the
European grouse, but in that case has wings.
[1913 Webster] |
ferrocerium
(wn) | ferrocerium
n 1: a pyrophoric alloy of iron with cerium; used for lighter
flints |
genus platycerium
(wn) | genus Platycerium
n 1: often epiphytic tropical Old World ferns [syn:
Platycerium, genus Platycerium] |
platycerium
(wn) | Platycerium
n 1: often epiphytic tropical Old World ferns [syn:
Platycerium, genus Platycerium] |
platycerium alcicorne
(wn) | Platycerium alcicorne
n 1: commonly cultivated fern of Australia and southeastern Asia
and Polynesia [syn: common staghorn fern, elkhorn fern,
Platycerium bifurcatum, Platycerium alcicorne] |
platycerium andinum
(wn) | Platycerium andinum
n 1: fern of Peru and Bolivia [syn: South American staghorn,
Platycerium andinum] |
platycerium bifurcatum
(wn) | Platycerium bifurcatum
n 1: commonly cultivated fern of Australia and southeastern Asia
and Polynesia [syn: common staghorn fern, elkhorn fern,
Platycerium bifurcatum, Platycerium alcicorne] |
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