Any of a large group of one-celled organisms (called protists) that live in water or as parasites. Many protozoans move about by means of appendages known as cilia or flagella. Protozoans include the amoebas, flagellates, foraminiferans, and ciliates. Their traditional classification as the subkingdom Protozoa is still used for convenience, but it is now known that protozoans represent several evolutionarily distinct groups.
A microscopic or minute organism, such as an amoeba or paramecium, usually considered to be an animal.
Find another word for amoeba. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for amoeba, like: ameba, animalculum, protozoan, ciliate, paramecium, rotifer, protozoans, flagellate, protozoon, unicellular and tunicate.