noun Chemistry, Biology.
Examples from the Web for calcium
Fat-free or skim milkEveryone knows milk is an excellent source of calcium that will keep your bones in tip-top shape.
The rhino beetle—fried, stewed, grilled, or roasted—is high in calcium and protein.Cicadas, Grasshoppers, Locusts, Ants Among the Tastiest Insects|Nina Strochlic|May 14, 2013|DAILY BEAST
At night we drank a beverage we called “CalMag,” a terrible mixture of calcium, magnesium, vinegar, and water.Scientology’s Sea Org: A Story of Escape for Katie Holmes and Suri Cruise|Abigail Pesta|July 6, 2012|DAILY BEAST
She tells us what happens when the balance is ripped apart by the release of calcium and magnesium into the atmosphere.Chris Hedges and Joe Sacco Chronicle Mining Catastrophes in West Virginia|Chris Hedges, Joe Sacco|June 14, 2012|DAILY BEAST
And many are packed with nutrients like zinc, iron, and calcium.Forget the Starbucks Backlash—We Should Be Eating More Bugs|Daniel Stone|April 24, 2012|DAILY BEAST
Waters containing compounds of calcium and magnesium in solution are called hard waters because they feel harsh to the touch.
In Fig. 12, why is it necessary to dry the hydrogen by means of the calcium chloride in the tube X?
Chemically, calcium hydroxide is a moderately strong base, though not so strong as sodium hydroxide.
(b) Show how the diet may be made to cover the need for additional iron, calcium and phosphorus.Dietetics for Nurses|Fairfax T. Proudfit
The use of "cartridges" of calcium carbide has already been briefly referred to in Chapters II.
British Dictionary definitions for calcium
Word Origin for calcium
Word Origin and History for calcium
coined 1808 by English chemist Sir Humphrey Davy (1778-1829), who first succeeded in isolating it, from Latin calx (genitive calcis) "limestone" (see chalk (n.)) + metallic element ending -ium.