noun
- a microscopic, single-celled organism that moves and feeds by extending temporary projections of its cytoplasm
Usage: Also spelled amoeba (British English); Biology term commonly taught in schools
Examples
- Under the microscope, the ameba moved slowly across the slide.
- Students observed an ameba in their biology lab using a high-powered lens.
- The ameba is a single-celled organism found in freshwater environments.
- An ameba reproduces by dividing itself into two identical cells.
- The ameba uses pseudopodia, or false feet, to move and capture food.