protozoan

noun

Any of numerous chiefly single-celled eukaryotic organisms, most of which move about freely and ingest food, including the amoebas, ciliates, flagellates, and apicomplexans. Protozoa along with certain algae, oomycetes, and some other groups make up the protists.

First, lowest, simplest, or most primitive, as an animal; of or pertaining to the Protozoa.

noun

A member of the Protozoa; a protozoön.

adjective

Of or pertaining to the protozoa.

noun

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.

adjective

Of, pertaining to, or characteristic of a protozoan.

noun

any of diverse minute acellular or unicellular organisms usually nonphotosynthetic

adjective

of or relating to the Protozoa