amoeba
/əˈmiːbə/
noun
- A very small, single-celled organism that changes shape by extending and retracting parts of its body.
- Pond water often contains thousands of tiny amoebas.
- An amoeba feeds by surrounding its food with its body and absorbing it.
- Under the microscope, we watched an amoeba slowly move across the slide.
- A single cell that can change shape, used in biology lessons to teach about basic life forms.
- In science class, we drew a diagram of an amoeba and labeled its parts.
- The teacher explained that an amoeba is one of the simplest living things.
- Students were amazed that an amoeba can reproduce by splitting into two.