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porphyritic

 - 3 dictionary results

por⋅phy⋅rit⋅ic

  [pawr-fuh-rit-ik]
Use porphyritic in a Sentence
–adjective Petrology.
of, pertaining to, containing, or resembling porphyry, its texture, or its structure.
Origin:
1375–1425; late ME porphiritike < ML porphyrīticus < Gk porphyrītikós of porphyry; see -ic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To porphyritic
por·phy·rit·ic   (pôr'fə-rĭt'ĭk)   
adj.  

  1. Of or containing porphyry.

  2. Containing relatively large isolated crystals in a mass of fine texture.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
porphyry   (pôr'fə-rē)  Pronunciation Key 
An igneous rock containing the large crystals known as phenocrysts embedded in a fine-grained matrix.

porphyritic adjective (pôr'fə-rĭt'ĭk)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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