Definition of PLAGIOCLASE

plagioclase

Plural: plagioclases

Noun

  • any of a series of triclinic feldspars that form rocks
  • Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium.

Origin / Etymology

From plagio- + -clase, after German Plagioklas.

Synonyms

oligoclase

Scrabble Score: 16

plagioclase: valid Scrabble (US) TWL Word
plagioclase: valid Scrabble Word in Merriam-Webster MW Dictionary
plagioclase: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 21

plagioclase: valid Words With Friends Word