Protozoan

[,prəʊtə(ʊ)'zəʊən] or [,protə'zoən]

(noun.) any of diverse minute acellular or unicellular organisms usually nonphotosynthetic.

Typist: Murray--From WordNet

(a.) Of or pertaining to the Protozoa.

(n.) One of the Protozoa.

Typed by Abe