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

Literary usage of Calcium

Below you will find example usage of this term as found in modern and/or classical literature:

1. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"Sources, Distribution and Excretion of calcium The average daily output of calcium in the urine calculated as CaO, varies between 0.33 and 0.80 gram. ..."

2. Proceedings of the Society for Experimental Biology and Medicine (1903)
"Relation of Vitamin D-Dependent Intestinal calcium-Binding Protein to calcium Absorption during the Ovulatory Cycle in Japanese Quail (40333) RH WASSERMAN* ..."

3. Journal of the American Chemical Society by American Chemical Society (1894)
"THE value of quicklime is based upon the amount of calcium oxide which it contains. This value may be diminished by the presence of other substances ..."

4. Science by American Association for the Advancement of Science (1905)
"The Solubility of calcium Sulphate in Solutions of Ammonium Salts and of Certain ... It is shown that the solubility curve for calcium sulphate-ammonium ..."

5. The Journal of Biological Chemistry by American Society of Biological Chemists (1917)
"In the tables which follow data are presented with regard to the calcium content of human ... The blood corpuscles are very low in calcium as has been shown ..."

6. Healthy People 2000: National Health Promotion & Disease Prevention by DIANE Publishing Company (2004)
"Children, pregnant and lactating women, and older adults have special needs for calcium based on, respectively, the extra demands of growth, milk production ..."

Other Resources: