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petrosal

[pi-troh-suh l] /pɪˈtroʊ səl/
adjective
1.
petrous; hard.
2.
Anatomy. of or pertaining to the petrous portion of the temporal bone.
Origin
1735-1745
1735-45; < Latin petrōs(us) rocky (see petro-1, -ose1) + -al1
Related forms
subpetrosal, adjective
superpetrosal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for superpetrosal

petrosal

/pɛˈtrəʊsəl/
adjective
1.
(anatomy) of, relating to, or situated near the dense part of the temporal bone that surrounds the inner ear
Word Origin
C18: from Latin petrōsus full of rocks, from petra a rock, from Greek
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
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superpetrosal in Medicine

petrosal pe·tro·sal (pə-trō'səl)
adj.
Relating to or located near the petrous portion of the temporal bone.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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