[prog-nuh-thuh s, prog-ney-]
having protrusive jaws; having a gnathic index over 103.
Related formsprog·na·thism [prog-nuh-thiz-uh m] /ˈprɒg nəˌθɪz əm/, prog·na·thy, nounhy·per·prog·na·thous, adjective
Also prog·nath·ic [prog-nath-ik] /prɒgˈnæθ ɪk/
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for prognathic
Historical Examples of prognathic
The eastern people are least prognathic with a zero incidence of 45 per cent.
This latter division gave us orthognatic, prognathic, and mesognathic skulls.
A German philosopher, for example, may transmit a superfluous toe or a prognathic jaw, but not his portentously developed brain.
The jaws are heavy, and especially the lower jaw is apt to be large and prognathic, that is, projecting.
Burns thrust his red face, with its prognathic jaw, menacingly toward Kittrell.
British Dictionary definitions for prognathic
Derived Formsprognathism (ˈprɒɡnəˌθɪzəm), noun
having a projecting lower jaw
Word Origin for prognathous
C19: from pro- ² + Greek gnathos jaw
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for prognathic
1836, from pro- + Greek gnathos "jaw" (see gnathic) + -ous. Related: Prognathic.
Online Etymology Dictionary, © 2010 Douglas Harper
Related formsprog′na•thism (-nə-thĭz′əm) n.
Having jaws that project forward to a marked degree.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.