noun🔗ShareCumulonimbusA cloud, with a tall structure and a flat base, that is often associated with thunderstorms."We canceled the school picnic when we saw a large cumulonimbus forming in the sky, because those clouds often bring thunderstorms. "Nous avons annulé le pique-nique scolaire lorsque nous avons vu un grand cumulonimbus se former dans le ciel, car ces nuages apportent souvent des orages.weathernatureChat with AIVocabulary GamePractice Reading
