porphyry
[ pawr-fuh-ree ]
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Part of Speech noun
Origin + Etymology
Late Middle English via medieval Latin from Greek porphuritēs, from porphura ‘purple’
Synonyms
  • unavailable
Antonyms
  • unavailable
Definition
any igneous rock containing coarse crystals, as phenocrysts, in a finer-grained groundmass
Example
A) The geologists studied the porphyry samples in their lab. B) The quarry contained a porphyry the size of a shopping mall.
Usage Over Time

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