\
Definition of calcium
: a silver-white divalent metallic element of the alkaline-earth group occurring only in combination — see Chemical Elements Table
Examples of calcium in a Sentence
Recent Examples on the Web
After the water receded, the remnant exoskeletons turned into land that is packed with calcium. — Angela Fritz, Washington Post, "The prehistoric shoreline of the Gulf of Mexico is so fertile you can see it from space," 12 July 2018 So far, Totsch has tried Mojo Hydration's athletic recovery cocktail three times — a mix of vitamin B complex, amino acids, calcium and glutathione, an antioxidant found in plants. — Zahria Rogers, The Courier-Journal, "Concierge IV hydration therapy service seeks to rehydrate Louisville," 12 July 2018 Other bowls will be made with the acai berry, said to be high in antioxidants, fiber and calcium. — Kenneth R. Gosselin, courant.com, "UConn Campus At Hartford's Front Street Gets First Retail Leases," 26 June 2018 Gourmet Grubb says Entomilk has a high protein content and is rich in iron, zinc, and calcium. — Caitlin O'kane, CBS News, "Is cockroach milk back as a superfood trend?," 26 May 2018 Nutrition: Choose a product that is fortified with calcium and vitamin D. Almond and coconut milk have almost no protein so if looking for a protein boost, pea protein milks or soy and to a lesser extent oatmeal would be a better choice. — Sheah Rarback, miamiherald, "Lots of choices for milk substitutes, but beware of sugar content | Miami Herald," 24 May 2018 Yet another found that calcium might damage the heart. — NBC News, "Vitamin supplements don't lower cardiovascular risk, study finds," 10 July 2018 Now the notion that calcium protects against colon polyps also has been upended. — Joe Graedon, M.s. And Teresa Graedon, Ph.d., charlotteobserver, "The pros and cons of calcium supplements | Charlotte Observer," 14 Mar. 2018 The bone density scan uses X-ray technology to measure a person’s bone mass (measuring the calcium in grams per centimeter squared in the bone). — Milwaukee Journal Sentinel, "Osteoporosis is not a normal part of aging," 22 May 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'calcium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Keep scrolling for more
Keep scrolling for more
More Definitions for calcium
calcium
noun
English Language Learners Definition of calcium
: a substance that is found in most plants and animals and that is especially important in people for strong healthy bones
See the full definition for calcium in the English Language Learners Dictionary
calcium
noun
\
Kids Definition of calcium
: a silvery soft metallic chemical element that is essential for strong healthy bones
\
Medical Definition of calcium
: a silver-white bivalent metallic element that is an alkaline earth metal, occurs only in combination, and is an essential constituent of most plants and animals —symbol Ca — see Chemical Elements Table
Keep scrolling for more
Comments on calcium
What made you want to look up calcium? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Musical Words Quiz
-
- Which word describes a musical performance marked by the absence of instrumental accompaniment?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZ
Share calcium
Resources for calcium