gypsum

gypsum has 2 senses in the JumbleFix dictionary. Letters: 6.

Definitions

• 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.
• n.. a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)