Gnathic

Gnathic
Gnathic Gnath"ic, a. [Gr. gna`qos the jaw.] (Anat.) Of or pertaining to the jaw. [1913 Webster]

{Gnathic index}, in a skull, the ratio of the distance from the middle of the nasofrontal suture to the basion (taken equal to 100), to the distance from the basion to the middle of the front edge of the upper jaw; -- called also {alveolar index}. [1913 Webster]

Skulls with the gnathic index below 98 are orthognathous, from 98 to 103 mesognathous, and above 103 are prognathous. --Flower. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • gnathic — pertaining to the jaw, 1882, from Gk. gnathos jaw, cheek, properly the lower jaw, cognate with Lith. ЕЅandas jaw …   Etymology dictionary

  • gnathic — [nath′ik] adj. [< Gr gnathos, jaw (for IE base see CHIN) + IC] of the jaw …   English World dictionary

  • gnathic — adjective /ˈɡnæθɪk,ˈnæθɪk/ Of or pertaining to the jaw. ‘Want to get an idea of your gnathic index, and that mustache is in the way.’ See Also: gnathal, gnathion, gnathite, gnathitis, gnatho, gnathonic, gnathonical, gnathonically, gnathonism,… …   Wiktionary

  • Gnathic index — Gnathic Gnath ic, a. [Gr. gna qos the jaw.] (Anat.) Of or pertaining to the jaw. [1913 Webster] {Gnathic index}, in a skull, the ratio of the distance from the middle of the nasofrontal suture to the basion (taken equal to 100), to the distance… …   The Collaborative International Dictionary of English

  • gnathic index — n the anthropometric ratio of the distance from the nasion to the basion to that from the basion to the alveolar point multiplied by 100 called also alveolar index * * * the degree of prominence of the upper jaw, expressed as a percentage of the… …   Medical dictionary

  • gnathic index — n. a measurement of the relative amount of protrusion of the jaw, expressed in terms of the ratio of the distance from the nasion to the basion (arbitrarily taken as 100) to the distance from the basion to the middle point of the alveolar process …   English World dictionary

  • gnathic index — noun : the anthropometric ratio of the distance from the nasion to the basion to that from the basion to the alveolar point multiplied by 100 * * * Craniom. the ratio of the distance from basion to prosthion to the distance from basion to nasion …   Useful english dictionary

  • gnathic — also gnathal adjective Etymology: Greek gnathos jaw Date: 1882 of or relating to the jaw …   New Collegiate Dictionary

  • gnathic — relating to the jaw. See also gnathal …   Dictionary of ichthyology

  • gnathic — /nath ik/, adj. of or pertaining to the jaw. Also, gnathal. [1880 85; < Gk gnáth(os) jaw + IC] * * * …   Universalium

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