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).

QUIZZES

HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!

Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
anchorite

Origin of nimbostratus

First recorded in 1885–90; nimbo- + stratus

Words nearby nimbostratus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for nimbostratus

nimbostratus
/ (ˌnɪmbəʊˈstreɪtəs, -ˈstrɑːtəs) /

noun plural -ti (-taɪ)

a dark-coloured rain-bearing stratus cloud
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for nimbostratus

nimbostratus
[ nĭm′bō-strătəs ]

Plural nimbostrati (nĭm′bō-strătī′)

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.