<p><strong>noun</strong></p><ul><li>Plural: protozoans (especially collectively: protozoa [proh-tuh-zoh-uh]).</li><li>Any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, usually nonphotosynthetic, and often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.</li></ul><p><strong>adjective</strong></p><ul><li>Of, relating to, or characteristic of a protozoan.</li></ul><p><strong>End of Response</strong></p>