Periclasite

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Periclasite (Min) A grayish or dark green mineral, consisting essentially of magnesia (magnesium oxide), occurring in granular forms or in isometric crystals.
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Century Dictionary and Cyclopedia
    • n periclasite Same as periclase.
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Etymology

Webster's Revised Unabridged Dictionary
Pref. peri-, + Gr. to break