| 单词 |
physostome |
| 释义 |
physostome, a. and n. Ichthyol.|ˈfaɪsəstəʊm| [f. mod.L. Phȳsostomī, f. Gr. ϕῦσα bladder + στόµα mouth, -στοµος -mouthed.] a. adj. Belonging to the Physostomi, a group of teleost fishes, in which the air-bladder is connected with the alimentary canal by an air-duct: cf. physoclist. b. n. A member of this group. So physoˈstomatous, phyˈsostomous a., having the air-bladder opening into an air-duct.
1880Günther Fishes 199 [In] the Cretaceous group..Physostomes and Plectognaths are likewise well represented. 1887Physostome [see physoclist]. 1887Physostomous [see physoclistous]. |

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