Gnathic index

Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia.
Related to Gnathic index: get stuck, heavily
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.

See also: Gnathic

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.