Calcium

['kælsɪəm]

解释:

(noun.) 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.

录入:玛丽--From WordNet

解释:

(n.) 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.

编辑:厄休拉

解释:

n. the metal present in chalk stucco and other compounds of lime.—adjs. Cal′cic containing calcium; Cal′cific calcifying or calcified.—v.i. Cal′cificā′tion the process of calcifying a changing into lime.—adjs. Cal′ciform like chalk pebbly; Calcif′ugous avoiding limestone.—v.t. and v.i. Cal′cify to make calcic: to turn into bony tissue.—adjs. Calcig′enous forming lime; Calcig′erous containing lime.—n. Cal′cimine a white or tinted wash for ceilings walls &c. consisting of whiting with glue &c.—v.t. to wash with such.—adj. Cal′cinable capable of being calcined.—n. Calcinā′tion.—v.t. Cal′cine or Calcine′ to reduce to a calx or chalky powder by the action of heat to burn to ashes.—v.i. to become a calx or powder by heat.—ns. Cal′cite native calcium carbonate or carbonate of lime—also called Calcā′reous spar and Calc′spar; Calc′-sin′ter Calc′-tuff Tra′vertin a porous deposit from springs or rivers which in flowing through limestone rocks have become charged with calcium carbonate.

手打:撒迪厄斯