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View synonyms for petrous
petrous
[ pe-truhs, pee- ]
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.
petrous
/ ˈpiː-; ˈpɛtrəs /
adjective
- anatomy denoting the dense part of the temporal bone that surrounds the inner ear
- rare.like rock or stone
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Other Words From
- super·petrous adjective
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Word History and Origins
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Word History and Origins
Origin of petrous1
C16: from Latin petrōsus full of rocks
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Example Sentences
By this means the posterior surface of the petrous bone can be exposed as far inwards as the internal auditory meatus.
From Project Gutenberg
The bony labyrinth presents a series of cavities which are channelled through the substance of the petrous bone.
From Project Gutenberg
From the surrounding 794 mesoderm the petrous bone is formed by a process of chondrification and ossification.
From Project Gutenberg
On its inner side is a small air chamber in the petrous portion of the temporal bone, called the cavity of the tympanum.
From Project Gutenberg
The bones related to the organ of hearing, the tympanis and petrous bones, are very solid and dense in structure.
From Project Gutenberg
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