noun, plural amebas, amebae [uh-mee-bee] .
any of numerous freshwater, marine, or parasitic one-celled protozoa of the order Amoebida, characterized by a granular nucleus surrounded by a jellylike mass of cytoplasm that forms temporary extensions, or pseudopodia, by which the organism moves, engulfs food particles, and forms food vacuoles.
a protozoan of the genus Amoeba, inhabiting bottom vegetation of freshwater ponds and streams: used widely in laboratory studies.
Also, amoeba.

< Neo-Latin amoeba < Greek amoibḗ change, alternation, akin to ameíbein to exchange

amebalike, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
ameba (əˈmiːbə)
n , pl -bae, -bas
the usual US spelling of amoeba

amoeba or ameba (əˈmiːbə)
n , pl -bae, -bas
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 man and animals
[C19: from New Latin, from Greek amoibē change, from ameibein to change, exchange]
ameba or ameba (əˈmiːbə, -biː)
[C19: from New Latin, from Greek amoibē change, from ameibein to change, exchange]
a'moebic or ameba
a'mebic or ameba

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Medical Dictionary

ameba a·me·ba or amoeba (ə-mē'bə)
n. pl. a·me·bas or a·me·bae (-bē)
A protozoa of the genus Amoeba and of related genera, occurring in soil and water and parasitic in animals.

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Science Dictionary
ameba   (ə-mē'bə)  Pronunciation Key 
Another spelling of amoeba.
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