adj, noun ·Rare ·Advanced level

Definitions

Noun

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

Adjective

1. 1
   Of or relating to the petrous and mastoid parts of the temporal bone not-comparable

   "petrmastoid bone"

Synonyms

All synonyms

periotic

Example

More examples

"petrmastoid portion of the bone"

Etymology

From petro- + mastoid.

Related phrases

temporal bone

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.