Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
petromastoid
CIDE DICTIONARY
petromastoid, a. [Petro + mastoid.].
Of or pertaining to the petrous and mastoid parts of the temporal bone, periotic. [1913 Webster]
For further exploring for "petromastoid" in Webster Dictionary Online