| 释义 |
‖ Paramecium Zool.|pærəˈmiːsɪəm|
Also erron. -mæcium, -mœcium.
[mod.L. f. Gr. παραµήκ-ης oblong, oval, f. παρά against + µῆκος length: cf. L. ob-longus.]
A genus of holotrichous ciliate Infusoria, type of the family Parameciidæ, of oblong shape, having the mouth near the middle of the ventral surface; also called, from their shape, slipper-animalcules. Hence paraˈmecine a., belonging to this family.
1752Hill Hist. Anim. 4 The Paramecium, with an oblong, voluble body, obtuse at each end. 1875Huxley & Martin Elem. Biol. (1877) 97. 1883 H. Drummond Nat. Law in Spir. W. (1884) 211 By the repeated subdivisions of a single Paramecium, no fewer than 268,000,000 similar organisms might be produced in one month. |