nimbostratus Syllabification: (nim·bo·stra·tus)Pronunciation: /ˌnimbōˈstratəs, -ˈstrā-/Definition of nimbostratus noun a type of cloud forming a thick uniform gray layer at low altitude, from which rain or snow often falls (without any lightning or thunder). Origin: late 19th century: modern Latin, from nimbus + stratusnimbostratus in other Oxford dictionaries Definition of nimbostratus in the British & World English dictionary
