calcium

noun, often attributive cal·ci·um \ ˈkal-sē-əm \
Updated on: 8 Nov 2017

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

  1. Her doctor said she should eat more foods that are high in calcium, such as milk and cheese.

Recent Examples of calcium from the Web

These 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.

Origin and Etymology of calcium

New Latin, from Latin calc-, calx lime

Other Chemical Engineering Terms


CALCIUM Defined for English Language Learners

calcium

noun

Definition of calcium for English Language Learners

  • : a substance that is found in most plants and animals and that is especially important in people for strong healthy bones


CALCIUM Defined for Kids

calcium

noun cal·ci·um \ ˈkal-sē-əm \

Definition of calcium for Students

:a silvery soft metallic chemical element that is essential for strong healthy bones

Medical Dictionary

calcium

noun, often attributive cal·ci·um \ ˈkal-sē-əm \

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


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