protozoan noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of protozoan noun from the Oxford Advanced American Dictionary

protozoan

noun

NAmE//ˌproʊt̮əˈzoʊən//

(pl. protozoans or protozoa

NAmE//ˌproʊt̮əˈzoʊə//

) (biology)

a very small living thing, usually with only one cell, which can only be seen under a microscope

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protozoan adjective

See protozoan in the Oxford Advanced Learner's Dictionary

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