cumulonimbus
noun /ˌkjuːmələʊˈnɪmbəs/
/ˌkjuːmələʊˈnɪmbəs/
[uncountable] (specialist)- a high mass of thick cloud with a flat base, often seen during thunderstorms
Topics Weatherc2积雨云(常伴有雷阵雨) Collocations DictionaryCumulonimbus is used before these nouns:- cloud