cumulonimbus
(cu-mu-lo-nim-bus)
5 syllables
Definition
noun. a type of cloud that is tall and dark. it often brings thunderstorms and heavy rain.
Example Sentence
A cumulonimbus cloud formed in the sky.
More Example Sentences
These clouds look dark and very tall.
Synonyms
storm cloud; thundercloud
Antonyms
Hear It! Say It! Write It!
cumulonimbus
