gypsum

From Longman Dictionary of Contemporary Englishgypsumgyp‧sum /ˈdʒɪpsəm/ noun [uncountable] a soft white substance that is used to make plaster of ParisExamples from the Corpusgypsum• The calcium sulphate was probably concentrated by evaporation of shallow lakes, though wind-borne gypsum dust may have contributed in places.• A small, white-backed lizard waddled and hopped across the hot gypsum, moving away from us.• Its walls and floor were sheathed in gypsum slabs, whilst its ceiling was painted blue and supported by a gypsum pillar.• Glassy sheets of gypsum crumble out of the bluffs.• A cellulose-based paste is being applied to the gypsum deposits followed by a micro-sanding with fine alumina powder.• The winds over the dunes were constant, and they peppered us with the gypsum sand.• The gypsum crust is more soluble than the limestone so it is quite rapidly weathered by rainwater.• It was brackish, laced with gypsum, but she forced it down, and she filled the bottles.Origin gypsum (1300-1400) Latin Greek gypsos

单词	gypsum
释义	gypsum From Longman Dictionary of Contemporary Englishgypsumgyp‧sum /ˈdʒɪpsəm/ noun [uncountable] a soft white substance that is used to make plaster of ParisExamples from the Corpusgypsum• The calcium sulphate was probably concentrated by evaporation of shallow lakes, though wind-borne gypsum dust may have contributed in places.• A small, white-backed lizard waddled and hopped across the hot gypsum, moving away from us.• Its walls and floor were sheathed in gypsum slabs, whilst its ceiling was painted blue and supported by a gypsum pillar.• Glassy sheets of gypsum crumble out of the bluffs.• A cellulose-based paste is being applied to the gypsum deposits followed by a micro-sanding with fine alumina powder.• The winds over the dunes were constant, and they peppered us with the gypsum sand.• The gypsum crust is more soluble than the limestone so it is quite rapidly weathered by rainwater.• It was brackish, laced with gypsum, but she forced it down, and she filled the bottles.Origin gypsum (1300-1400) Latin Greek gypsos
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