prog·na·thous /-θəs/
(a.)下巴突出的
prog·na·thous /ˈprɑgnəθəs/ 形容詞
Prog·na·thous a. Anat. Having the jaws projecting beyond the upper part of the face; -- opposed to orthognathous. See Gnathic index, under Gnathic.
Their countenances had the true prognathous character. --Kane.
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prognathous
adj : having a projecting lower jaw [syn: prognathic, hypognathous]
[ant: opisthognathous]