Definition from Wiktionary, the free dictionary
- (cytology) Any of the diverse group of eukaryotes, of the phylum Protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.
any of a diverse group of eukaryotes
protozoan (not comparable)
- Of, pertaining to, or characteristic of a protozoan.