Lexic.us

Definition of Calcium

1. 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.

Definition of Calcium

1. 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.

Definition of Calcium

1. Noun. A chemical element, atomic number 20, that is an alkaline earth metal and occurs naturally as carbonate in limestone and as silicate in many rocks. ¹

¹ Source: wiktionary.com

Definition of Calcium

1. a metallic element [n -S]

Medical Definition of Calcium

1. An element taken in through the diet that is essential for a variety of bodily functions, such as neurotransmission, muscle contraction and proper heart function. Imbalances of calcium can lead to many health problems and excess calcium in nerve cells can cause their death. (22 May 1997)

Lexicographical Neighbors of Calcium

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