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Noun: cumulonimbus (cumulonimbi)  ,kyoo-myu-low'nim-bus
  1. A dark cloud of great vertical extent charged with electricity; associated with thunderstorms
    - cumulonimbus cloud, thundercloud

Derived forms: cumulonimbi

Type of: cloud

Encyclopedia: Cumulonimbus

Nearest

cumshot
cumswallow
cumulate
cumulation
cumulative
cumulative preferred
cumulative preferred stock
cumulative vote
cumulatively
cumuliform
cumulonimbus
cumulonimbus cloud
cumulous
cumulus
cumulus cloud
Cunaxa
cunctation
cunctator
cuneal
cuneate
cuneate leaf