Definition of orthognathous in English:

orthognathous

Syllabification: or·thog·na·thous
Pronunciation: /ôrˈTHäɡnəTHəs
 
/

adjective

Anatomy
(Especially of a person) having a jaw that does not project or recede, so that the facial profile is nearly vertical.

Origin

mid 19th century: from ortho- 'straight' + Greek gnathos 'jaw' + -ous.

Definition of orthognathous in:

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Pronunciation: ˌimpyəˈdisitē
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lack of modesty