periclase Meaning, Definition & Usage

  1. noun a white solid mineral that occurs naturally as periclase; a source of magnesium
    magnesium oxide; magnesia.

WordNet

Per"i*clase, Per`i*cla"site noun (Also<
  • Periclase
  • Periclasite
)
Etymology
Pref. peri- + Gr. to break.
Definitions
  1. (Min.) A grayish or dark green mineral, consisting essentially of magnesia (magnesium oxide), occurring in granular forms or in isometric crystals.

Webster 1913