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: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
plagioclase
CIDE DICTIONARY
plagioclase, n. [Gr. pla`gios oblique + kla^n to break.].
A general term used of any triclinic feldspar. See the Note under Feldspar. [1913 Webster]
OXFORD DICTIONARY
plagioclase, n. a series of feldspar minerals forming glassy crystals.
Etymology
PLAGIO- + Gk klasis cleavage
For further exploring for "plagioclase" in Webster Dictionary Online