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porphyry

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noun por·phy·ry \ˈpȯr-f(ə-)rē\

Definition of porphyry

plural porphyries

  1. 1 :  a rock consisting of feldspar crystals embedded in a compact dark red or purple groundmass

  2. 2 :  an igneous rock of porphyritic texture



Origin of porphyry

Middle English porphiri, from Medieval Latin porphyrium, alteration of Latin porphyrites, from Greek porphyritēs (lithos), literally, stone like Tyrian purple, from porphyra purple


First Known Use: 15th century

Rhymes with porphyry


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