noun
- a spiral-shaped bacterium
Usage: biology; microbiology
Examples
- The scientist observed spirillum bacteria under the microscope.
- Spirillum species are commonly found in aquatic environments.
- The distinctive corkscrew shape helps identify a spirillum.
- Some spirillum bacteria can cause infections in humans.
- The lab cultured spirillum samples from the pond water.
- Spirillum bacteria move by rotating their spiral bodies.