英语词汇“calcium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	calcium
释义	calcium noun /ˈkælsiəm/ /ˈkælsiəm/ [uncountable] (symbol Ca) jump to other results a chemical element. Calcium is a soft silver-white metal that is found in bones, teeth and chalk.Topics Physics and chemistryb2 Oxford Collocations DictionaryCalcium is used before these nouns: concentration deficiency deposit … See full entry Word Originearly 19th cent.: from Latin calx, calc- ‘lime’, probably from Greek khalix ‘pebble, limestone’ + -ium.
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