periclase [per-i-kleys, -kleyz] Word Origin noun
- a cubic mineral, native magnesia, MgO, occurring usually in metamorphosed dolomite.
Origin of periclase 1835–45; German Periklas New Latin periclasia, equivalent to peri-+ Greek klás(is) a breaking (cf. ) + -ia British Dictionary definitions for periclase periclase noun
- a mineral consisting of magnesium oxide in the form of isometric crystals or grains: occurs in metamorphosed limestone
Derived Formspericlastic (ˌpɛrɪˈklæstɪk), adjectiveWord Origin for periclase C19: from New Latin periclasia, from Greek peri very + klasis a breaking, referring to its perfect cleavage