gypsum

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++gyp·sum /ˈdʒɪpsəm/ noun [uncountable]

a soft white substance that is used to make plaster of Paris 石膏

Examples from the Corpus

gypsum• 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

gyp·sum nounChineseSyllable

Corpus used that soft white substance is to make a

gypsum
gyp‧sum /ˈdʒɪpsəm/