opisthognathousadj.

Brit.

/ˌɒpᵻsˈθɒɡnəθəs/, U.S.

/ˌɑpəsˈθɑɡnəθəs/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: opistho- comb. form, -gnathous comb. form.

Etymology: < opistho- comb. form + -gnathous comb. form, after German opisthognath, adjective (H. Welcker Untersuchungen über Wachstum u. Bau des menschlichen Schädels (1862) I. iii. 48; 1864 as noun in the passage translated in quot. 1864). Compare French opisthognathe a kind of fish (1816 in Cuvier), scientific Latin Opistognathus, genus name of a fish (1816 in Cuvier).

Having retreating or backward-pointing jaws, teeth, mandibles, etc.; (hence) (humorous) chinless, weak-chinned.

ΘΚΠ

the world > life > the body > external parts of body > head > face > chin > [adjective] > having no

chinless1828

opisthognathous1864

1864 J. Hunt tr. C. Vogt Lect. on Man ii. 53 Welcker distinguishes the extremely orthognathous as opisthognathous [Ger. Opisthognathen] (or with retreating teeth).

1882 New Englander (New Haven, Connecticut) 41 688 The facial angle is good: some examples being opisthognathous rather than prognathous.

1937 P. G. Wodehouse Let. 30 Nov. in K. Gregory First Cuckoo (1978) 160 Compared with Sir Roderick Glossop, Tuppy Glossop, old Pop Stoker, Mr. Blumenfeld, and even Jeeves, Bertie is undoubtedly opisthognathous.

1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) I. 29 The third or opisthognathous condition occurs in the Homoptera, where the head is directed backwards so that the specialized mouthparts arise between the anterior legs.

1997 J. Updike Toward End of Time 143 I saw my own head in profile, with its slack, opisthognathous jaw and rather flattened back to my skull.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).

单词	opisthognathous
释义	opisthognathousadj. Brit. /ˌɒpᵻsˈθɒɡnəθəs/, U.S. /ˌɑpəsˈθɑɡnəθəs/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: opistho- comb. form, -gnathous comb. form. Etymology: < opistho- comb. form + -gnathous comb. form, after German opisthognath, adjective (H. Welcker Untersuchungen über Wachstum u. Bau des menschlichen Schädels (1862) I. iii. 48; 1864 as noun in the passage translated in quot. 1864). Compare French opisthognathe a kind of fish (1816 in Cuvier), scientific Latin Opistognathus, genus name of a fish (1816 in Cuvier). Having retreating or backward-pointing jaws, teeth, mandibles, etc.; (hence) (humorous) chinless, weak-chinned. ΘΚΠ the world > life > the body > external parts of body > head > face > chin > [adjective] > having no chinless1828 opisthognathous1864 1864 J. Hunt tr. C. Vogt Lect. on Man ii. 53 Welcker distinguishes the extremely orthognathous as opisthognathous [Ger. Opisthognathen] (or with retreating teeth). 1882 New Englander (New Haven, Connecticut) 41 688 The facial angle is good: some examples being opisthognathous rather than prognathous. 1937 P. G. Wodehouse Let. 30 Nov. in K. Gregory First Cuckoo (1978) 160 Compared with Sir Roderick Glossop, Tuppy Glossop, old Pop Stoker, Mr. Blumenfeld, and even Jeeves, Bertie is undoubtedly opisthognathous. 1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) I. 29 The third or opisthognathous condition occurs in the Homoptera, where the head is directed backwards so that the specialized mouthparts arise between the anterior legs. 1997 J. Updike Toward End of Time 143 I saw my own head in profile, with its slack, opisthognathous jaw and rather flattened back to my skull. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < adj.1864
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