| / English Dictionary |
GYPSUM
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
Classified under:
Hypernyms ("gypsum" is a kind of...):
mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)
calcium sulfate; calcium sulphate (a white salt (CaSO4))
Meronyms (substance of "gypsum"):
atomic number 20; Ca; calcium (a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals)
Hyponyms (each of the following is a kind of "gypsum"):
alabaster (a compact fine-textured, usually white gypsum used for carving)
gesso (gypsum or plaster of Paris spread on a surface to make it suitable for painting or gilding (or a surface so prepared))
terra alba (finely pulverized gypsum used especially as a pigment)
Holonyms ("gypsum" is a substance of...):
plaster; plaster of Paris (any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs)
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