: any of a large genus of protozoans that have no permanent cell organs or structures, that change shape to form temporary lobes for moving and taking in food, and that are widespread in fresh and …

An amoeba or ameba / əˈmiːbə / (pl.: amoebas or amebas (less commonly, amoebae or amebae / əˈmiːbi /)), [1] often called an amoeboid, is a type of cell or unicellular organism with the ability to …

Oct 29, 2020 · Amoeba is an aquatic, single-cell (unicellular) organism with membrane-bound (eukaryotic) organelles that has no definite shape. It is capable of movement. When seen under a …

Mar 19, 2026 · Amoeba, any of the microscopic unicellular protozoans of the rhizopodan order Amoebida. The well-known type species, Amoeba proteus, is found on decaying bottom vegetation …

Feb 26, 2022 · "Amoeba" is a term that describes a simple eukaryotic organism that moves in a characteristic crawling fashion.

Aug 21, 2025 · An amoeba is a single-celled microorganism that lacks both shape and color. Its structure resembles the structure of jelly, and it could take on another shape. Its body is shaped …

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 …

Aug 1, 2025 · Amoebae are microscopic, single-celled organisms, recognized for their constantly changing, irregular shapes. These tiny entities are found widely across various environments, …

Add to word list biology a type of organism that has one cell (Definition of amoeba from the Cambridge Academic Content Dictionary © Cambridge University Press)

Sep 26, 2023 · In a stricter biological definition, ‘amoeba’ specifically refers to the species belonging to the genus Amoeba. This genus is a member of the family Amoebidae, class Tubulinea, domain …