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petrous
[ pe-truhs, pee- ]
/ ˈpɛ trəs, ˈpi- /
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adjective
Anatomy. noting or pertaining to the hard dense portion of the temporal bone, containing the internal auditory organs; petrosal.
like stone, especially in hardness; stony; rocky.
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Origin of petrous
OTHER WORDS FROM petrous
su·per·pet·rous, adjectiveWords nearby petrous
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use petrous in a sentence
British Dictionary definitions for petrous
petrous
/ (ˈpɛtrəs, ˈpiː-) /
adjective
anatomy denoting the dense part of the temporal bone that surrounds the inner ear
rare like rock or stone
Word Origin for petrous
C16: from Latin petrōsus full of rocks
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
Medical definitions for petrous
petrous
[ pĕt′rəs ]
adj.
Of stony hardness.
Of or relating to the dense hard portion of the temporal bone that forms a protective case for the inner ear.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.