Found 2 items, similar to oligoclase.
English → English (WordNet) Definition: oligoclase oligoclase n : any of a rock-forming series of triclinic feldspars [syn: plagioclase]
English → English (gcide) Definition: Oligoclase Oligoclase \Ol"i*go*clase\, n. [Oligo- + Gr. ? fracture, fr. ? to break.] (Min.) A triclinic soda-lime feldspar. See Feldspar. [1913 Webster]