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porphyritic

American  
[pawr-fuh-rit-ik] / ˌpɔr fəˈrɪt ɪk /

adjective

Petrology.

  1. of, pertaining to, containing, or resembling porphyry, its texture, or its structure.

porphyritic British  
/ ˌpɔːfɪˈrɪtɪk /

adjective

  1. (of rocks) having large crystals in a fine groundmass of minerals

  2. consisting of porphyry

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nonporphyritic adjective
  • pseudoporphyritic adjective
  • subporphyritic adjective

Etymology

Origin of porphyritic

1375–1425; late Middle English porphiritike < Medieval Latin porphyrīticus < Greek porphyrītikós of porphyry; -ic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.