| 单词 | protozoan |
| 释义 | Word Frequency protozoan(ˌprəʊtəˈzəʊən) noun 1. Also called: protozoon (ˌprəʊtəˈzəʊɒn)Word forms: plural -zoa (-ˈzəʊə) any of various minute unicellular organisms formerly regarded as invertebrates of the phylum Protozoa but now usually classified in certain phyla of protoctists. Protozoans include flagellates, ciliates, sporozoans, amoebas, and foraminifers adjective also: protozoic 2. of or relating to protozoans Word origin C19: via New Latin from Greek proto- + zōion animal |
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