nimbostratus

[ nim-boh-strey-tuh s, -strat-uh s ]
/ ˌnɪm boʊˈstreɪ təs, -ˈstræt əs /

noun, plural nim·bo·stra·tus.

a cloud of a class characterized by a formless layer that is almost uniformly dark gray; a rain cloud of the layer type, of low altitude, usually below 8000 feet (2440 meters).

Origin of nimbostratus

First recorded in 1885–90; nimbo- + stratus

Words nearby nimbostratus

nim, nim tree, nimble, nimblewit, nimbo-, nimbostratus, nimbus, nimbus clouds, nimby, nimbyism, nimeiry

British Dictionary definitions for nimbostratus

nimbostratus
/ (ˌnɪmbəʊˈstreɪtəs, -ˈstrɑːtəs) /

noun plural -ti (-taɪ)

a dark-coloured rain-bearing stratus cloud

Scientific definitions for nimbostratus

nimbostratus
[ nĭm′bō-străt′əs ]

Plural nimbostrati (nĭm′bō-străt′ī′)

A dark, gray, mid-altitude cloud that often covers the entire sky and precipitates rain, snow, or sleet. Nimbostratus clouds generally form around 2,000 m (6,560 ft) but often extend to much higher and lower altitudes. See illustration at cloud.