[dahy-op-sahyd, -sid]

noun Mineralogy.

a monoclinic pyroxene mineral, calcium magnesium silicate, CaMg(SiO3)2, occurring in various colors, usually in crystals.

Origin of diopside

1800–10; di-3 + Greek óps(is) appearance + -ide
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Examples from the Web for diopside

Historical Examples of diopside

British Dictionary definitions for diopside



a colourless or pale-green pyroxene mineral consisting of calcium magnesium silicate in monoclinic crystalline form: used as a gemstone. Formula: CaMgSi 2 O 6

Word Origin for diopside

C19: from di- ² + Greek opsis sight, appearance + -ide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for diopside



A light green, monoclinic variety of pyroxene, used as a gemstone and as a refractory material. Chemical formula: CaMgSi2O6.
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