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Porphyry

[pawr-fuh-ree]
noun
  1. Malchus, a.d. c233–c304, Greek philosopher.
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Related formsPor·phyr·e·an [pawr-feer-ee-uh n] /pɔrˈfɪər i ən/, adjectivePor·phyr·i·an, adjective, nounPor·phyr·i·an·ist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for malchus-porphyry

porphyry

noun plural -ries
  1. any igneous rock with large crystals embedded in a finer groundmass of minerals
  2. obsolete a reddish-purple rock consisting of large crystals of feldspar in a finer groundmass of feldspar, hornblende, etc
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Word Origin

C14 porfurie, from Late Latin porphyrītēs, from Greek porphuritēs (lithos) purple (stone), from porphuros purple

Porphyry

noun
  1. original name Malchus. 232–305 ad, Greek Neo-Platonist philosopher, born in Syria; disciple and biographer of Plotinus
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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

Word Origin and History for malchus-porphyry

porphyry

n.

type of ornamental stone, late 14c., porfurie, from Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites, a purple semi-precious stone quarried near the Red Sea in Egypt, from Greek porphyrites (lithos) "the purple (stone)," from porphyra (n.) "purple, purple dye" (see purple). Spelling Latinized mid-15c. Now used generally for a type of igneous rock without regard to color. Porphyrios was an ancient proper name.

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Online Etymology Dictionary, © 2010 Douglas Harper

malchus-porphyry in Science

porphyry

[pôrfə-rē]
  1. An igneous rock containing the large crystals known as phenocrysts embedded in a fine-grained matrix.
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Related formsporphyritic adjective (pôr′fə-rĭtĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.