Periclase Definition

pĕrĭ-klās, -klāz
noun
A mineral form of magnesium oxide, MgO, usually occurring in cubic crystals or grains.
American Heritage
Synonyms:

Other Word Forms of Periclase

Noun

Singular:
periclase
Plural:
periclases

Origin of Periclase

  • German Periklas Greek peri- intensive pref. peri– Greek klasis breaking (from its perfect cleavage) orthoclase

    From American Heritage Dictionary of the English Language, 5th Edition

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periclase