protozoan
pro·to·zo·an
noun \-ˈzō-ən\Definition of PROTOZOAN
: any of a phylum or subkingdom (Protozoa) of chiefly motile and heterotrophic unicellular protists (as amoebas, trypanosomes, sporozoans, and paramecia) that are represented in almost every kind of habitat and include some pathogenic parasites of humans and domestic animals
— protozoan adjective
See Origin of PROTOZOAN
New Latin Protozoa, from prot- + -zoa
First Known Use: circa 1864
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