petrosal

adjective
pe·​tro·​sal | \ pə-ˈtrō-səl How to pronounce petrosal (audio) \

Definition of petrosal

: of, relating to, or situated in the region of the petrous portion of the temporal bone or capsule of the inner ear

First Known Use of petrosal

1713, in the meaning defined above

History and Etymology for petrosal

Latin petrōsus "rocky, stony" (in New Latin os petrōsum, apophysis petrōsa, names for the petrous portion of the temporal bones) + -al entry 1 — more at petrous

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Time Traveler for petrosal

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The first known use of petrosal was in 1713

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Dictionary Entries Near petrosal

petrosa

petrosal

Petroselinum

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Cite this Entry

“Petrosal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petrosal. Accessed 26 May. 2022.

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More Definitions for petrosal

petrosal

adjective
pe·​tro·​sal | \ pə-ˈtrō-səl How to pronounce petrosal (audio) \

Medical Definition of petrosal

 (Entry 1 of 2)

: of, relating to, or situated in the region of the petrous portion of the temporal bone or capsule of the inner ear

petrosal

noun

Medical Definition of petrosal (Entry 2 of 2)

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