Gypsum
['dʒɪpsəm]
解释:
(noun.) a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris).
克洛伊校对--From WordNet
解释:
(n.) A mineral consisting of the hydrous sulphate of lime (calcium). When calcined, it forms plaster of Paris. Selenite is a transparent, crystalline variety; alabaster, a fine, white, massive variety.
录入:纳塔莉亚
同义词及近义词：
n. Sulphate of lime (native).
凯思琳校对
解释:
n. a valuable mineral of a comparatively soft kind burned in kilns and afterwards ground to a fine powder called plaster of Paris.—adjs. Gyp′seous of or resembling gypsum; Gypsif′erous producing or containing gypsum.
珍宁校对
例句:
- The most common impurity is gypsum and it is necessary to remove this gypsum before the salt can be considered pure. 佚名. 神奇的知识之书.
- In about four hours he had found a strong solution of lime in the agate cup, and sulphuric acid in the cup of gypsum. 李贝. 西洋科学史.
- Among other lining materials found suitable were soapstone, alumina, ammonia, copperas, starch, Epsom salts, and gypsum, paper, pulp, and alum, and a mixture of various other materials. 威廉·亨利·杜利特. 世纪发明.
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