English

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Etymology

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From petro- +‎ hyoid.

Pronunciation

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Adjective

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petrohyoid (not comparable)

  1. (anatomy) Pertaining to the petrous, or periotic, portion of the skull and the hyoid arch.
    the petrohyoid muscles of the frog

Noun

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petrohyoid (plural petrohyoids)

  1. (anatomy) A petrohyoid muscle.

References

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