Definify.com
Webster 1913 Edition
Petromastoid
Petˊro-mas′toid
,Adj.
[
Petro
+ mastoid
.] (Anat.)
Of or pertaining to the petrous and mastoid parts of the temporal bone; periotic.
Definition 2024
petromastoid
petromastoid
English
Adjective
petromastoid (not comparable)
- (anatomy) Of or relating to the petrous and mastoid parts of the temporal bone; periotic.