calciums
plural of calcium
• climacus
Source: Wiktionary
Cal"ci*um, n. Etym: [NL., from L. calx, calcis, lime; cf F. calcium. See Calx.] (Chem.)
Definition: 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.
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. 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
5 December 2024
(noun) one of two divergent or mutually exclusive opinions; “they are at opposite poles”; “they are poles apart”
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