- 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
Examples from the Web for amoebae
Studies on some Amoebae from the termite Mirotermes, with notes on some other protozoa from the Termitidae.The Biotic Associations of Cockroaches
Louis M. Roth
You can figure things out in your own little head instead of just getting along on dum psionic luck like us amoebae.Occasion for Disaster
Gordon Randall Garrett
Now, the Amoebae have neither a nervous system nor distinguishable organs of any kind.The Life of the Bee
The amoebae are almost invariably found in the large intestine; one species, indeed, is termed Amoeba coli.
- the usual US spelling of amoeba
- 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
Word Origin and History for amoebae
1855, from Modern Latin Amoeba, genus name (1841), from Greek amoibe "change," related to ameibein "to change, exchange," from PIE *e-meigw-, extended form of root *mei- "to change, go, move" (see mutable). So called for its constantly changing shape. Related: Amoebaean; amoebic.
- A protozoa of the genus Amoeba and of related genera, occurring in soil and water and parasitic in animals.
- Variant ofameba
- A genus of protozoa of the class Sarcodina or Rhizopoda.
- Any of several genera of protozoa that are parasitic in humans, especially Entamoeba.
- Any of various one-celled aquatic or parasitic protozoans of the genus Amoeba or related genera, having no definite form and consisting of a mass of protoplasm containing one or more nuclei surrounded by a flexible outer membrane. Amoebas move by means of pseudopods.
- Another spelling of amoeba.