Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun oligoclase

1 sense of oligoclase

Sense 1
plagioclase, oligoclase -- (any of a series of triclinic feldspars that form rocks)
       => feldspar, felspar -- (any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium)