protozoan


Concise Oxford English Dictionary © 2008 Oxford University Press:
protozoan /ˌprəʊtəˈzəʊən/ Zoology
noun a single-celled microscopic animal of a group of phyla of the kingdom Protista, which includes amoebas, flagellates, ciliates, and sporozoans. adjective relating to protozoans.
– derivatives
protozoal adjective,
protozoon noun.
– origin from mod. L. Protozoa (former phylum name), from proto- + Gk zōion ‘animal’.
'protozoan' also found in these Oxford entries:

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