释义 |
‖ Tetrodon Ichthyol.|ˈtɛtrədɒn| Also tetraodon, tetradon. [mod.L. (Linnæus 1766), f. Gr. τετρα- four + ὀδούς, ὀδοντ- tooth. So F. tétrodon.] A genus of plectognathic fishes, typical of the family Tetrodontidæ, in which the jaws are divided longitudinally by a groove, giving the appearance of four large teeth; a fish of this family, a globe-fish. Hence tetroˈdonic a., of, pertaining to, or derived from fishes of this genus; Chem. applied to a poisonous acid obtained from the roe of a fish of this genus (Cent. Dict. Suppl. 1909); tetroˈdonin, a crystalline base obtained with tetrodonic acid. So ˈtetrodont (also tetraodont), a. having (apparently) four teeth; belonging to the Tetrodontidæ; n. a tetrodon or globe-fish. Hence tetroˈdontid, tetroˈdontoid adjs. and ns.
1774Goldsm. Nat. Hist. (1776) VI. 237 These are the Sun Fish, the Tetrodon, the Lump Fish. 1822–34Good's Study Med. (ed. 4) IV. 214 The genus tetradon, in one species, secretes an electric fluid. 1854Badham Halieut. 409 The tetraodons seem as unsafe for food as the diodons. 1858Baird Cycl. Nat. Sci. s.v. Diodontidæ, The true diodonts,..the tetraodonts,..and the sun-fishes. 1883Spectator 19 May 639 The tetradon, a knobbly, bladder-shaped creature, used by the Chinese as a lantern, when he has been scooped. |