petrous
adjectiveOf, relating to, or resembling rock, especially in hardness; stony.
adjectiveOf or relating to the very dense, hard portion of the temporal bone that forms a protective case for the inner ear.
Like stone in hardness; stony; rocky.
Pertaining to the part of the temporal bone so called; petrosal: as. a petrous vein or sinus; a petrous ganglion.
adjectiveLike stone; hard; stony; rocky.
adjectiveSame as
Resembling
Of the dense portion of the
(of bone especially the temporal bone) resembling stone in hardness
