cumulonimbus
noun /ˌkjuːmələʊˈnɪmbəs/
/ˌkjuːmələʊˈnɪmbəs/
[uncountable] (specialist)- a high mass of thick cloud with a flat base, often seen during thunderstormsTopics Weatherc2Oxford Collocations DictionaryCumulonimbus is used before these nouns:
- cloud