petrous

[ pe-truhs, pee- ]

/ ˈpɛ trəs, ˈpi- /

SEE SYNONYMS FOR petrous ON THESAURUS.COM

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.

Origin of petrous

1350–1400; Middle English (<Middle French petros) <Latin petrōsus rocky. See petr-, -ous

OTHER WORDS FROM petrous

su·per·pet·rous, adjective

Words nearby petrous

petrosphenoid, petrosquamosal, petrostate, petrotympanic fissure, Petrouchka, petrous, petrous ganglion, Petrovsk, Petrozavodsk, pe-tsai, pe-tsai cabbage

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for petrous

The bony labyrinth presents a series of cavities which are channelled through the substance of the petrous bone.
A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)|Calvin Cutter
From the surrounding 794 mesoderm the petrous bone is formed by a process of chondrification and ossification.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 9|Various
By this means the posterior surface of the petrous bone can be exposed as far inwards as the internal auditory meatus.
A System of Operative Surgery, Volume IV (of 4)|Various
The bones related to the organ of hearing, the tympanis and petrous bones, are very solid and dense in structure.
The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard

On its inner side is a small air chamber in the petrous portion of the temporal bone, called the cavity of the tympanum.
A Practical Physiology|Albert F. Blaisdell

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.

单词	petrous
释义	petrous [ pe-truhs, pee- ] / ˈpɛ trəs, ˈpi- / SEE SYNONYMS FOR petrous ON THESAURUS.COM 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. Origin of petrous 1350–1400; Middle English (<Middle French petros) <Latin petrōsus rocky. See petr-, -ous OTHER WORDS FROM petrous su·per·pet·rous, adjective Words nearby petrous petrosphenoid, petrosquamosal, petrostate, petrotympanic fissure, Petrouchka, petrous, petrous ganglion, Petrovsk, Petrozavodsk, pe-tsai, pe-tsai cabbage Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for petrous The bony labyrinth presents a series of cavities which are channelled through the substance of the petrous bone. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)\|Calvin Cutter From the surrounding 794 mesoderm the petrous bone is formed by a process of chondrification and ossification. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 9\|Various By this means the posterior surface of the petrous bone can be exposed as far inwards as the internal auditory meatus. A System of Operative Surgery, Volume IV (of 4)\|Various The bones related to the organ of hearing, the tympanis and petrous bones, are very solid and dense in structure. The Cambridge Natural History, Vol X., Mammalia\|Frank Evers Beddard On its inner side is a small air chamber in the petrous portion of the temporal bone, called the cavity of the tympanum. A Practical Physiology\|Albert F. Blaisdell 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 Words related to petrous jagged, craggy, rough, flinty, hard, inflexible, petrified, solid, bouldered, lapidarian, lithic, pebbly, rock-ribbed, rockbound, stonelike 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.
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petrous

adjective

Origin of petrous

OTHER WORDS FROM petrous

Words nearby petrous

Example sentences from the Web for petrous

British Dictionary definitions for petrous

adjective

Word Origin for petrous

Words related to petrous

Medical definitions for petrous

adj.