Hypertext Webster Gateway: "plagioclase"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Plagioclase \Pla"gi*o*clase\, n. [Gr. ? oblique + ? to break.]
(Min.)
A general term used of any triclinic feldspar. See the Note
under {Feldspar}.
From WordNet (r) 1.7 (wn)
plagioclase
n : any of a rock-forming series of triclinic feldspars [syn: {oligoclase}]
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.