gypsum
/ˈdʒɪpsəm/noun
mass noun
- a soft white or grey mineral consisting of hydrated calcium sulphate. It occurs chiefly in sedimentary deposits and is used to make plaster of Paris and fertilizers, and in the building industry.石膏。
派生词
gypsiferous
/dʒɪpˈsɪfərəs/ adjective词源
late Middle English: from Latin, from Greek gupsos.