gnathion [ney-thee-on, nath-ee-] Word Origin noun

  1. Craniometry. the lowest point on the anterior margin of the lower jaw in the midsaggital plane.

Origin of gnathion First recorded in 1885–90 British Dictionary definitions for gnathion gnathion noun

  1. the lowest point of the midline of the lower jaw: a reference point in craniometry

Word Origin for gnathion C19: from New Latin, from Greek gnathos jaw gnathion in Medicine gnathion [năth′ē-ŏn′, nā′thē-] n.

  1. The most inferior point of the mandible in the midline.

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