noun Usage: often attributive Etymology: New Latin, from Latin calc-, calx lime Date: 1808 a silver-white divalent metallic element of the alkaline-earth group occurring only in combination
CALCIUM
Meaning of CALCIUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012