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opisthognathous

American  
[op-is-thog-nuh-thuhs] / ˌɒp ɪsˈθɒg nə θəs /

adjective

Zoology.

  1. having receding jaws.

opisthognathous British  
/ ˌɒpɪsˈθɒɡnəθəs /

adjective

  1. (of a person or animal) having receding jaws

"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

Other Word Forms

  • opisthognathism noun

Etymology

Origin of opisthognathous

First recorded in 1860–65; opistho- + -gnathous

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Opisthognathous, op-is-thog′nā-thus, adj. having retreating jaws or teeth.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.