1.
[syn: calcium, Ca, atomic number 20]
The Collaborative International Dictionary of English v.0.48:
Calcium \Cal"ci*um\ (k[a^]l"s[i^]*[u^]m), n. [NL., from L. calx,
calcis, lime; cf F. calcium. See Calx.] (Chem.)
An elementary substance; a metal which combined with oxygen
forms lime. It is of a pale yellow color, tenacious, and
malleable. It is a member of the alkaline earth group of
elements. Atomic weight 40. Symbol Ca.
[1913 Webster]
Note: Calcium is widely and abundantly disseminated, as in
its compounds calcium carbonate or limestone, calcium
sulphate or gypsum, calcium fluoride or fluor spar,
calcium phosphate or apatite.
[1913 Webster]
Calcium light, an intense light produced by the
incandescence of a stick or ball of lime in the flame of a
combination of oxygen and hydrogen gases, or of oxygen and
coal gas; -- called also Drummond light and lime
light.
[1913 Webster +PJC]
WordNet (r) 3.0 (2006):
calcium
n 1: a white metallic element that burns with a brilliant light;
the fifth most abundant element in the earth's crust; an
important component of most plants and animals [syn:
calcium, Ca, atomic number 20]
The Elements (07Nov00):
calcium
Symbol: Ca
Atomic number: 20
Atomic weight: 40.08
Soft grey metallic element belonging to group 2 of the periodic table.
Used a reducing agent in the extraction of thorium, zirconium and
uranium. Essential element for living organisms.
U.S. Gazetteer Places (2000):
Calcium, NY -- U.S. Census Designated Place in New York
Population (2000): 3346
Housing Units (2000): 1134
Land area (2000): 5.586979 sq. miles (14.470208 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 5.586979 sq. miles (14.470208 sq. km)
FIPS code: 11671
Located within: New York (NY), FIPS 36
Location: 44.034761 N, 75.842114 W
ZIP Codes (1990): 13616
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Calcium, NY
Calcium