noun
also petrosal
( -s )
1. : a bone corresponding to the petrous portion of the temporal bone of man
2. : a bone forming more or less of the capsule of the internal ear and composed of one or more periotic bones
noun
also petrosal
( -s )
1. : a bone corresponding to the petrous portion of the temporal bone of man
2. : a bone forming more or less of the capsule of the internal ear and composed of one or more periotic bones
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012