petrosal

adjective

pe·​tro·​sal pə-ˈtrō-səl How to pronounce petrosal (audio)
: of, relating to, or situated in the region of the petrous portion of the temporal bone or capsule of the inner ear

Word History

Etymology

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

First Known Use

1713, in the meaning defined above

Time Traveler
The first known use of petrosal was in 1713

Dictionary Entries Near petrosal

Cite this Entry

“Petrosal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/petrosal. Accessed 5 Nov. 2024.

Medical Definition

petrosal

1 of 2 adjective
pe·​tro·​sal pə-ˈtrō-səl How to pronounce petrosal (audio)
: of, relating to, or situated in the region of the petrous portion of the temporal bone or capsule of the inner ear

petrosal

2 of 2 noun
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