n pl , -zoa , -zoans
1 (Also called)
pl , -zoa 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
2 of or relating to protozoans
(C19: via New Latin from Greek proto- + zoion animal)
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