[awr-thog-nuh-thuh s]

adjective Craniometry.

straight-jawed; having the profile of the face vertical or nearly so; having a gnathic index below 98.

Also or·thog·nath·ic [awr-thuh g-nath-ik, -thog-] /ˌɔr θəgˈnæθ ɪk, -θɒg-/.

Origin of orthognathous

First recorded in 1850–55; ortho- + -gnathous
Related formsor·thog·na·thism [awr-thog-nuh-thiz-uh m] /ɔrˈθɒg nəˌθɪz əm/, or·thog·na·thy, nounhy·per·or·thog·na·thous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for orthognathic



anatomy having normally aligned jaws
Derived Formsorthognathism or orthognathy, noun
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

orthognathic in Medicine


[ôr′thō-năthĭk, ôr′thəg-]


Relating to orthognathia.
Having a jaw that does not project forward.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.