polydactyladj.n.

Brit.

/ˌpɒlɪˈdakt(ᵻ)l/, U.S.

/ˌpɑliˈdækt(ə)l/

Forms: 1800s– polydactyl, 1800s– polydactyle.

Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: poly- comb. form, -dactyl comb. form.

Etymology: < poly- comb. form + -dactyl comb. form, after French polydactyle (1802–3 as noun, 1814 as adjective). Compare ancient Greek πολυδάκτυλος many-toed. Compare earlier monodactyl adj., didactyl adj., tridactyl adj., etc.

Zoology and Medicine.

A. adj.

Having more than the usual number of digits (esp. more than five) on a foot or hand, either as a congenital abnormality or (in certain prehistoric animals) as a normal condition.

ΘΚΠ

the world > health and disease > ill health > deformity > deformities of specific parts > [adjective] > of fingers, toes, or foot

clubbeda1509

clumped1709

reel-footed1792

polydactyl1827

polydactylous1858

the world > life > the body > external parts of body > limb > digit > [adjective] > having specific number of

pentadactylous1717

didactylous1802

didactyl1803

pentadactyl?a1808

polydactyl1827

hexadactylous1828

tetradactyl1847

polydactylous1858

sexdigitated1868

sexdigital1875

hexadactylic1880

pentadactylic1880

1827 Times 28 Aug. 3/4 M. Geoffroy de St. Hilaire read to the Paris Academy of Sciences a memoir on a horse, whose fore feet are polydactyle, having three toes on each foot, separated by a membrane.

1879 Amer. Jrnl. Sci. 117 499 (title) Polydactyl horses, recent and extinct.

1908 Biometrika 6 73 Individuals exist showing..branching fingers which, without careful radiographic examination, it would perhaps be hard to classify as polydactyle or misplaced.

1932 Amer. Jrnl. Anat. 51 405 The assertion..that but one member of the family is polydactyl, cannot be accepted unquestioningly.

1998 Evolution 52 1481/1 These results indicate that the loss of the polydactyl condition occurred only once [in the evolution of early tetrapods].

B. n.

A polydactyl animal or person.

ΚΠ

1890 Cent. Dict. XVI. 4601/3 Polydactyl, Polydactyle, n., a polydactyl animal.

1904 Science 22 Jan. 152/1 Both of the polydactyls [sc. humans] of whose offspring we have a record produced both n and p offspring.

1964 Q. Rev. Biol. 39 262/1 In guinea pigs there is a statistically significant excess of polydactyls in litters of two and three.

2003 Topeka (Kansas) Capital-Jrnl. (Nexis) 4 Aug. Polly is a polydactyl, meaning she is blessed with extra toes on each of her feet.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polydactyl
释义	polydactyladj.n. Brit. /ˌpɒlɪˈdakt(ᵻ)l/, U.S. /ˌpɑliˈdækt(ə)l/ Forms: 1800s– polydactyl, 1800s– polydactyle. Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: poly- comb. form, -dactyl comb. form. Etymology: < poly- comb. form + -dactyl comb. form, after French polydactyle (1802–3 as noun, 1814 as adjective). Compare ancient Greek πολυδάκτυλος many-toed. Compare earlier monodactyl adj., didactyl adj., tridactyl adj., etc. Zoology and Medicine. A. adj. Having more than the usual number of digits (esp. more than five) on a foot or hand, either as a congenital abnormality or (in certain prehistoric animals) as a normal condition. ΘΚΠ the world > health and disease > ill health > deformity > deformities of specific parts > [adjective] > of fingers, toes, or foot clubbeda1509 clumped1709 reel-footed1792 polydactyl1827 polydactylous1858 the world > life > the body > external parts of body > limb > digit > [adjective] > having specific number of pentadactylous1717 didactylous1802 didactyl1803 pentadactyl?a1808 polydactyl1827 hexadactylous1828 tetradactyl1847 polydactylous1858 sexdigitated1868 sexdigital1875 hexadactylic1880 pentadactylic1880 1827 Times 28 Aug. 3/4 M. Geoffroy de St. Hilaire read to the Paris Academy of Sciences a memoir on a horse, whose fore feet are polydactyle, having three toes on each foot, separated by a membrane. 1879 Amer. Jrnl. Sci. 117 499 (title) Polydactyl horses, recent and extinct. 1908 Biometrika 6 73 Individuals exist showing..branching fingers which, without careful radiographic examination, it would perhaps be hard to classify as polydactyle or misplaced. 1932 Amer. Jrnl. Anat. 51 405 The assertion..that but one member of the family is polydactyl, cannot be accepted unquestioningly. 1998 Evolution 52 1481/1 These results indicate that the loss of the polydactyl condition occurred only once [in the evolution of early tetrapods]. B. n. A polydactyl animal or person. ΚΠ 1890 Cent. Dict. XVI. 4601/3 Polydactyl, Polydactyle, n., a polydactyl animal. 1904 Science 22 Jan. 152/1 Both of the polydactyls [sc. humans] of whose offspring we have a record produced both n and p offspring. 1964 Q. Rev. Biol. 39 262/1 In guinea pigs there is a statistically significant excess of polydactyls in litters of two and three. 2003 Topeka (Kansas) Capital-Jrnl. (Nexis) 4 Aug. Polly is a polydactyl, meaning she is blessed with extra toes on each of her feet. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.n.1827
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