Dictionary

protozoan

noun pro·to·zo·an \-ˈzō-ən\

: a tiny organism whose body is a single cell

Full Definition of PROTOZOAN

:  any of a phylum or subkingdom (Protozoa) of chiefly motile and heterotrophic unicellular protists (as amoebas, trypanosomes, sporozoans, and paramecia) that are represented in almost every kind of habitat and include some pathogenic parasites of humans and domestic animals
protozoan adjective

Origin of PROTOZOAN

New Latin Protozoa, from prot- + -zoa
First Known Use: circa 1864

Rhymes with PROTOZOAN

Browse

Next Word in the Dictionary: protozoeaPrevious Word in the Dictionary: protozoalAll Words Near: protozoan
April 25, 2015
lissome Hear it
nimble or easily flexed
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears