cumulonimbus
pronunciation
How to pronounce cumulonimbus in British English: UK [ˌkju:mələʊˈnɪmbəs]
How to pronounce cumulonimbus in American English: US [ˌkjuməloʊˈnɪmbəs]
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- Noun:
- a dark cloud of great vertical extent charged with electricity; associated with thunderstorms
Word Origin
- cumulonimbus (n.)
- 1887, from cumulo-, comb. form of cumulus, + nimbus.