Definition of ORTHOCLASE

orthoclase

Meanings

Plural: orthoclases

Noun

  • a white or colored monoclinic feldspar
  • Potassium aluminum silicate, KAlSi₃O₈, a common feldspar of igneous, plutonic, and metamorphic rocks. Orthoclase is the main feldspar of pegmatite occurrences, where it is most commonly flesh-colored. Orthoclase is used in the ceramic and glass industries and as a decorative gravel.

Origin / Etymology

From ortho- + -clase.

Scrabble Score: 15

orthoclase is a valid Scrabble (US) TWL word
orthoclase is a valid Scrabble Word in Merriam-Webster MW Dictionary
orthoclase is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 16

orthoclase is a valid Words With Friends word