prognathous

[ prog-nuh-thuhs, prog-ney- ]

adjective

, Craniometry.

1. having protrusive jaws; having a gnathic index over 103.

prognathous

/ prɒɡˈnæθɪk; ˈprɒɡnəˌθɪzəm; prɒɡˈneɪθəs /

adjective

1. having a projecting lower jaw

Derived Forms

• prognathism, noun

Other Words From

• prog·na·thism [prog, -n, uh, -thiz-, uh, m], progna·thy noun
• hyper·progna·thous adjective

Word History and Origins

Origin of prognathous¹

First recorded in 1830–40; pro- ² + -gnathous

Word History and Origins

Origin of prognathous¹

C19: from pro- ² + Greek gnathos jaw

Example Sentences

At its southwestern end we find the most long-headed, prognathous, frizzly-haired, dark-skinned race of mankind.

From Project Gutenberg

In particular it is almost certain that the skull is now more prognathous than in its natural state.

From Project Gutenberg

Then comes the Negro down in the alluvia, with dark skin, woolly hair, and prognathous development.

From Project Gutenberg

I do not see that an orthognathous face would cost more than a prognathous face; or a good morale than a bad one.

From Project Gutenberg

As he spoke his prognathous jaw snapped to with a click-like sound, and in his eyes now coal-black were glints of fire.

From Project Gutenberg