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 (prō′tə-zō′ən) also pro·to·zo·on (-ŏn′)
n. pl. pro·to·zo·ans or pro·to·zo·a (-zō′ə) also pro·to·zo·ons
Any of numerous chiefly single-celled eukaryotic organisms, most of which move about freely and ingest food, including the amoebas, ciliates, flagellates, and apicomplexans. Protozoans along with certain algae, oomycetes, and some other groups make up the protists.

[From New Latin Prōtozōa, former subkingdom name : proto- + -zōa, pl. of -zōon, -zoon.]

pro′to·zo′an, pro′to·zo′al, pro′to·zo′ic adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.protozoic - of or relating to the Protozoa


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Bleistein is a disturbance in the poem and part of this is due to the protean nature within him: another Sweeney-like character, he not only looks like an ape ("A saggy bending of the knees / And elbows, with the palms turned out"), but he also has an eye/I associated with the lowest and simplest form of living matter ("A lusterless protrusive eye / Stares from the protozoic slime") (CPP 40).
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