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protozoan

pro·to·zo·an

protozoan

 
pronunciation:
pro t zo n
features:
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part of speech: noun
inflections: protozoa, protozoans
definition: a tiny living thing that is similar to an animal but has only one cell or lives as a colony of single cells. Protozoans include amoebas and paramecia.
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derivation: protozoic (adj.)
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  animal, cell, life, life cycle
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