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Noun: cumulonimbus cloud
  1. A dark cloud of great vertical extent charged with electricity; associated with thunderstorms
    - cumulonimbus, thundercloud

Derived forms: cumulonimbus clouds

Type of: cloud

Encyclopedia: Cumulonimbus cloud

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cumulate
cumulation
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cumuliform
cumulonimbus
cumulonimbus cloud
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cumulus cloud
Cunaxa
cunctation
cunctator
cuneal
cuneate
cuneate leaf
cuneiform