Definition of Protozoan in English :

Define Protozoan in English

Protozoan meaning in English

Meaning of Protozoan in English

Pronunciation of Protozoan in English

Protozoan pronunciation in English

Pronounce Protozoan in English


see synonyms of protozoan


1. protozoan, protozoon

any of diverse minute acellular or unicellular organisms usually nonphotosynthetic


2. protozoal, protozoan, protozoic

of or relating to the Protozoa

WordNet Lexical Database for English. Princeton University. 2010.


see synonyms of protozoan
1. Also called: protozoon (ˌprəʊtəˈzəʊɒn ) plural -zoa (-ˈzəʊə)
any of various minute unicellular organisms formerly regarded as invertebrates of the phylum Protozoa but now usually classified in certain phyla of protoctists. Protozoans include flagellates, ciliates, sporozoans, amoebas, and foraminifers
adjective also: protozoic
of or relating to protozoans

Collins English Dictionary. Copyright © HarperCollins Publishers


see synonyms of protozoan
1. Word forms: plural ˌprotoˈzoans or ˌprotoˈzoa (ˌproʊtəˈzoʊə ; prōtˌəzōˈə)
any of a subkingdom (Protozoa) of microscopic animals made up of a single cell or a group of more or less identical cells and living in water or as parasites, including ciliates, flagellates, rhizopods, and sporozoans
: sometimes ˌprotoˈzoˌon (ˌproʊtoʊzoʊˌɑn ; prōtˌōzōänˌ; ˌproʊtəˈzoʊˌɑn ; prōtˌəzōˈänˌ) Word forms: plural ˌprotoˈzoons or ˌprotoˈzoa (ˌprotəˈzoʊə ; proˌtəzōˈə)
of the protozoans
: often ˌprotoˈzoic (ˌproʊtoʊzoʊɪk ; prōtˌōzōik; ˌproʊtəˈzoʊɪk ; prōtˌəzōˈik) or ˌprotoˈzoal

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


see synonyms of protozoan
n. pl. pro·to·zo·ans or pro·to·zo·a (-zōə) also pro·to·zo·ons
Any of numerous chiefly single-celled eukaryotic organisms, most of which move about freely and ingest food, including the amoebas, ciliates, flagellates, and apicomplexans. Protozoans along with certain algae, oomycetes, and some other groups make up the protists.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.