EXAMPLES | WORD ORIGIN noun a mineral, anhydrous calcium sulfate, CaSO 4, usually occurring in whitish or slightly colored masses. Origin of anhydrite
First recorded in
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for anhydrite Historical Examples of anhydrite Anhydrite, anhydrous sulphate of calcium, a mineral presenting several varieties of structure and colour.
These observations appear to show that the change to
anhydrite is a very gradual process at temperatures below a red heat. Anhydrite (CaSO4) also occurs in rock masses, and is often associated with rock salt.
Conversely gypsum may, under certain conditions, be dehydrated or reduced to
anhydrite. British Dictionary definitions for anhydrite noun a colourless or greyish-white mineral, found in sedimentary rocks. It is used in the manufacture of cement, fertilizers, and chemicals. Composition: anhydrous calcium sulphate. Formula: CaSO 4 . Crystal structure: orthorhombic Word Origin for anhydrite
anhydr ( ous) + -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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