Hypertext Webster Gateway: "oligoclase"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Oligoclase \Ol"i*go*clase\, n. [Oligo- + Gr. ? fracture, fr. ?
to break.] (Min.)
A triclinic soda-lime feldspar. See {Feldspar}.
From WordNet (r) 1.7 (wn)
oligoclase
n : any of a rock-forming series of triclinic feldspars [syn: {plagioclase}]
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