petrosal
UK /pɪˈtɹəʊ.səl/ US /pəˈtɹoʊ.səl/
adj 2noun 2
Definitions
adj
1
Of great hardness; petrous.
2
Of, pertaining to, or located near the petrous part of the temporal bone or the capsule of the inner ear.
noun
1
The petrous part of the temporal bone at the base of the skull, surrounding the inner ear.
2
The auditory capsule.
midal-shaped petrosal of mammals and bird
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