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porphyritic

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adjective por·phy·rit·ic \ˌpȯr-fə-ˈri-tik\

Definition of porphyritic

  1. 1 :  of or relating to porphyry

  2. 2 :  having distinct crystals (as of feldspar) in a relatively fine-grained base



Origin and Etymology of porphyritic

Middle English porphiritike, from Medieval Latin porphyriticus, from Greek porphyritikos, from porphyritēs (lithos) porphyry


First Known Use: 15th century


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to proceed clumsily or ineffectually

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