noun
- a single-celled microorganism with a slipper-like shape that moves using tiny hairs called cilia
Usage: biology
Examples
- Students observed paramecia swimming under the microscope.
- The paramecium moved through the water by beating its cilia.
- A paramecium reproduces by dividing into two identical cells.
- The biology class studied how a paramecium feeds on bacteria.
- Paramecia are commonly found in freshwater ponds and streams.
- The paramecium’s contractile vacuole helps regulate water balance.