Petrous meaning

pĕt'rəs
Of, relating to, or resembling rock, especially in hardness; stony.
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Of or relating to the very dense, hard portion of the temporal bone that forms a protective case for the inner ear.
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Of or like rock; hard; stony.
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Designating or of that part of the temporal bone which surrounds and protects the internal ear.
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Of, relating to, or resembling rock, especially in hardness; stony.
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Of or relating to the very dense, hard portion of the temporal bone that forms a protective case for the inner ear.
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Resembling rock or stone in its hardness.
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Of the dense portion of the temporal bone that protects the inner ear.
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Origin of petrous

  • Middle English from Old French petros from Latin petrōsus rocky from petra rock from Greek petrā per-2 in Indo-European roots
    From American Heritage Dictionary of the English Language, 5th Edition
  • From the Greek petra, rock.
    From Wiktionary