- any protozoan of the phylum Rhizopoda, esp any of the genus Amoeba, able to change shape because of the movements of cell processes (pseudopodia). They live in fresh water or soil or as parasites in humans and animals
WordReference Random House Learner's Dictionary of American English © 2026
WordReference Random House Unabridged Dictionary of American English © 2026
a•moe•ba
(ə mē′bə),USA pronunciation n., pl. -bas, -bae (-bē).USA pronunciation
- Microbiologyameba.
Collins Concise English Dictionary © HarperCollins Publishers::
amoeba, US ameba /əˈmiːbə/ n ( pl -bae /-biː/, -bas)
'amoeba' also found in these entries (note: many are not synonyms or translations):