Dictionary

porphyritic

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

Definition of PORPHYRITIC

1
:  of or relating to porphyry
2
:  having distinct crystals (as of feldspar) in a relatively fine-grained base

Origin 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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