WordReference Random House Unabridged Dictionary of American English © 2026
di•op•side
(dī op′sīd, -sid),USA pronunciation n. [Mineral.]
- Mineralogya monoclinic pyroxene mineral, calcium magnesium silicate, CaMg(SiO3)2, occurring in various colors, usually in crystals.
- di-3 + Greek óps(is) appearance + -ide 1800–10
'diopside' also found in these entries (note: many are not synonyms or translations):