protozoan

play
noun pro·to·zo·an \-ˈzō-ən\

Definition of protozoan

  1. :  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 and Etymology of protozoan

New Latin Protozoa, from prot- + -zoa


First Known Use: circa 1864


PROTOZOAN Defined for English Language Learners

protozoan

play
noun pro·to·zo·an \-ˈzō-ən\

Definition of protozoan for English Language Learners

  • : a tiny organism whose body is a single cell


PROTOZOAN Defined for Kids

protozoan

play
noun pro·to·zo·an \ˌprō-tə-ˈzō-ən\

Definition of protozoan for Students

  1. :  a single-celled organism (as an amoeba or paramecium) that is a protist and is capable of movement


Medical Dictionary

1

protozoan

play
noun pro·to·zo·an \-ˈzō-ən\

Medical Definition of protozoan

  1. :  any protist of the phylum or subkingdom Protozoa


2

protozoan

adjective pro·to·zo·an

Medical Definition of protozoan

  1. :  of or relating to the phylum or subkingdom Protozoa



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