Feldspar Definition

fĕldspär, fĕl-
noun
Any of several light-colored, hard, glassy, monoclinic or triclinic minerals made up of aluminum silicates with sodium, potassium, or calcium, found in all types of rock.
Webster's New World
Synonyms:

Other Word Forms of Feldspar

Noun

Singular:
feldspar
Plural:
feldspars

Origin of Feldspar

  • Partial translation of obsolete German Feldspath Feld field (from Middle High German veld) (from Old High German feld pelə-2 in Indo-European roots) Spath spar

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

  • Feld, field (from Middle High German veld, from Old High German feld) + Spath, spar

    From Wiktionary

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feldspar