petrous (adjective)
pet·rous (pĕt′rəs)
Meaning:
1. Of, relating to, or resembling rock, especially in hardness; stony.
2. Of or relating to the very dense, hard portion of the temporal bone that forms a protective case for the inner ear.
3. (Anatomy) anatomy denoting the dense part of the temporal bone that surrounds the inner ear.
Synonyms:
stonelike
Usage:
The veterinarian removed several rounded, petrous objects from the animal's wound.
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