cumulonimbus
noun
UK/ˌkjuː.mjə.ləʊˈnɪm.bəs/
US/ˌkjuː.mjə.loʊˈnɪm.bəs/
Definitions of cumulonimbus noun
- Uncountableenvironment
A tall, dense type of cumulus cloud, often dark, that brings heavy rain or thunderstorms.
On hot summer afternoons, we often see cumulonimbus clouds forming in the sky.
Pilots avoid flying into cumulonimbus clouds because they can cause severe turbulence.
When cumulonimbus clouds approach, we know a heavy rainstorm is imminent.