Definition of cumulonimbus in English:

cumulonimbus

Line breaks: cu¦mulo|nim¦bus
Pronunciation: /ˌkjuːmjʊləʊˈnɪmbəs
 
/

noun (plural cumulonimbi /-bʌɪ/)

[mass noun] Meteorology
Cloud forming a towering mass with a flat base at fairly low altitude and often a flat top, as in thunderstorms: the development of clouds from fair-weather cumulus to giant cumulonimbus [count noun]: those clouds that will build west of Baltimore late Sunday afternoon are cumulonimbi
More example sentences
  • The rising air cools and produces towering cumulus and cumulonimbus clouds.
  • The rising air is associated with a region of low air pressure, towering cumulonimbus clouds and rain.
  • As air rises in a large cumulonimbus or thunderhead cloud condensation occurs and all three forms of water are present.

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