hypognathous

American

[hahy-pog-nuh-thuhs] / haɪˈpɒg nə θəs /

adjective

having the lower jaw or mandible longer than the upper.

hypognathous British

/ haɪˈpɒɡnəθəs /

adjective

having a lower jaw that protrudes beyond the upper jaw
(of insects) having downturned mouthparts

"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

hypognathism noun

Etymology

Origin of hypognathous

First recorded in 1870–75; hypo- + -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.

Hypognathous: having the mouth parts directed more or less vertically ventrad.

From Project Gutenberg

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