Found 2 items, similar to Plagioclase.
English → English (WordNet) Definition: plagioclase plagioclase n : any of a rock-forming series of triclinic feldspars [syn: oligoclase]
English → English (gcide) Definition: Plagioclase Plagioclase \Pla"gi*o*clase\, n. [Gr. pla`gios oblique + kla^n to break.] (Min.) A general term used of any triclinic feldspar. See the Note under Feldspar. [1913 Webster]