单词 | didactyl |
释义 | didactyladj. Zoology. Having two fingers, toes, claws, or finger-like parts. ΘΚΠ 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 the world > animals > animal body > general parts > body and limbs > [adjective] > having separate digits > having two digits or claws didactylous1802 didactyl1803 1803 G. Shaw Gen. Zool. IV. i. 170 The pectoral fins are of moderate size; the ventral ones didactyle, and rather long. 1826 W. Kirby & W. Spence Introd. Entomol. (1828) III. xxxv. 676 The generality of insects have a didactyle or tridactyle hand or foot. 1894 Amer. Naturalist 28 165 Some genera [of artiodactyl] had been reduced to a didactyl condition. 1941 Q. Rev. Biol. 16 28/2 Both didactyl and tridactyl sloths may range over the same neighborhood. 1993 Jrnl. Paleontol. 67 245/1 Any of the individual prints..may be prints of an apparently didactyle or even tridactyle extremity. 2012 T. R. Holtz in M. K. Brett-Surman et al. Compl. Dinosaur xvix. 362 It is quite possible that the didactyl hand evolved earlier, perhaps even as early as Raptorrex. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < adj.1803 |
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