opisthognathism

op·is·thog·na·thous

 (ŏp′ĭs-thŏg′nə-thəs)

adj.

Having receding jaws or mouthparts directed backward.

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[Greek opistho-, behind (from opisthen; see epi in Indo-European roots) + -gnathous.]

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op′is·thog′na·thism n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

opisthognathism

the condition of having retracted jaws. — opisthognathic, opisthognathous, adj.

See also: Facial Features

-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.