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ameba

or a·moe·ba

[ uh-mee-buh ]
/ əˈmi bə /
|
SEE MORE SYNONYMS FOR ameba ON THESAURUS.COM

noun, plural a·me·bas, a·me·bae [uh-mee-bee] /əˈmi bi/.

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.

RELATED WORDS

cell, flagellate, organism, plasmodium, euglena, paramecium, ciliate, amoeba, sporozoan, stentor

Nearby words

amchitka, amd, amdg, amdt., ame damnee, ameba, amebiasis, amebic, amebic abscess, amebic colitis, amebic dysentery

Origin of ameba

< New Latin amoeba < Greek amoibḗ change, alternation, akin to ameíbein to exchange
Related formsa·me·ba·like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for ameba

ameba

/ (əˈmiːbə) /

noun plural -bae (-biː) or -bas

the usual US spelling of amoeba
Derived Formsamebic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for ameba

ameba


n. pl. a•me•bas

A protozoa of the genus Amoeba and of related genera, occurring in soil and water and parasitic in animals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for ameba

ameba

[ ə-mēbə ]

Another spelling of amoeba.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.