Try Our Apps


The Best Internet Slang


or amoeba

[uh-mee-buh] /əˈmi bə/
noun, plural amebas, amebae
[uh-mee-bee] /əˈmi bi/ (Show IPA)
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.
Origin of ameba
< New Latin amoeba < Greek amoibḗ change, alternation, akin to ameíbein to exchange
Related forms
amebalike, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for ameba
Historical Examples
British Dictionary definitions for ameba


noun (pl) -bae (-biː), -bas
the usual US spelling of amoeba
Derived Forms
amebic, 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
Cite This Source
ameba in Medicine

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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
ameba in Science
Another spelling of amoeba.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for ameba

Most English speakers likely know this word

Word Value for ameba

Scrabble Words With Friends

Nearby words for ameba