| 单词 | ameba |
| 释义 | ameba —amebalike, adj. /euh mee"beuh/, n. , pl. amebas, amebae /-bee/. 1. any of numerous freshwater, marine, or parasitic one-celled protozoa of the order Amoebida, characterized by a granular nucleus surrounded by a jellylike mass of cytoplasm that forms temporary extensions, or pseudopodia, by which the organism moves, engulfs food particles, and forms food vacuoles. 2. a protozoan of the genus Amoeba, inhabiting bottom vegetation of freshwater ponds and streams: used widely in laboratory studies. Also, amoeba. [ < NL amoeba < Gk amoibé change, alternation, akin to ameíbein to exchange] |
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