| 单词 |
characin |
| 释义 |
▪ I. characin1 Chem.|ˈkærəsɪn|
[f. mod.L. Charac-eæ (see prec.) + -in.]
A camphorous substance found in Characeæ and other algoid plants.
1880Nature XXI. 220 It is characine that gives plants of the Chara genus their marshy odour; it is..a species of camphor, forming very thin pellicles on the water surface. 1881Philada. Rec. No. 3455. 6 Chlorophyll and characine.
▪ II. characin2|ˈkærəsɪn|
[f. Gr. χάραξ a pointed stake or a type of fish.]
A member of the family Characidæ of freshwater fishes of South America and Africa.
1882Jordan & Gilbert Fishes N. Amer. 111 The Characins resemble the Isospondyli in general appearance and in the structure of the pharyngeals. 1905D. S. Jordan Guide to Study of Fishes II. iv. 61 A structure also retained in Characins and catfishes. 1957P. J. Darlington Zoogeography ii. 109 Characins are small to medium-sized fishes of diverse habits and include the vicious piranhas and many aquarium fishes. 1968R. D. Martin tr. Wickler's Mimicry in Plants & Animals xv. 219 A very clear instance of deception exists in the male swordtail characin Corynopoma riisei. This well-known ornamental fish is an inhabitant of Venezuelan rivers and belongs to the large family of characins (Characidae; sub-family Glandulocaudinae). |
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