| 单词 | calcigerous |
| 释义 | calcium /kalˈsi-əm/nounA soft greyish-white metallic element (symbol Ca; atomic no 20) of the alkaline earth group, present in limestone, chalk and gypsum, and usu occurring in the form of one of its compounds ORIGIN: L calx, calcis lime, limestone calˈcic adjective Containing calcium calcigˈerous adjective Containing lime calcium antagonist or calcium blocker noun A drug preventing the influx of calcium ions into cardiac and smooth muscle, used in the treatment of angina and high blood pressure calcium carbide noun A grey solid chemical compound, CaC2, used in the production of acetylene calcium carbonate noun An insoluble chemical compound, CaCO3, found naturally in limestone and chalk, and used in the production of lime and cement calcium chloride noun A white crystalline compound, CaCl2, used as a de-icer and dehydrating agent calcium hydroxide noun A white powder made by adding water to lime and used in the production of plaster and cement, slaked lime calcium oxide noun A white chemical compound, CaO, used in producing other calcium compounds and in agriculture to reduce acidity in soil (also calx, lime or quicklime) calcium phosphate noun A mineral salt essential in the formation of bones and teeth in animals, and for the healthy growth of plants calcium sulphate noun A white crystalline solid, CaSO4, occurring naturally as gypsum, used to make plaster of Paris and paint |
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