petromastoid

English

Etymology

From petro- +‎ mastoid.

Pronunciation

• Rhymes: -æstɔɪd

Adjective

petromastoid (not comparable)

1. (anatomy) Of or relating to the petrous and mastoid parts of the temporal bone

   Synonym: periotic

   petrmastoid bone

   petrmastoid canal

   petrmastoid portion of the bone

Noun

petromastoid (plural petromastoids)

1. The portion of the temporal bone that includes the petrous and mastoid parts.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “petromastoid”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)