[ al-toh-kyoo-myuh-luhs ]
/ ˌæl toʊˈkyu myə ləs /
Save This Word!

noun, plural al·to·cu·mu·lus.Meteorology.

a cloud of a class characterized by globular masses or rolls in layers or patches, the individual elements being larger and darker than those of cirrocumulus and smaller than those of stratocumulus: of medium altitude, about 8000–20,000 feet (2450–6100 meters).



In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.

Origin of altocumulus

First recorded in 1890–95; alto- + cumulus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for altocumulus

/ (ˌæltəʊˈkjuːmjʊləs) /

noun plural -li (-laɪ)

a globular cloud at an intermediate height of about 2400 to 6000 metres (8000 to 20 000 feet)
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 altocumulus

[ ăl′tō-kyōōmyə-ləs ]

Plural altocumuli (ăl′tō-kyōōmyə-lī′)

A mid-altitude cloud composed of fleecy white or gray patches or bands. Altocumulus clouds generally form between 2,000 and 6,100 m (6,560 and 20,000 ft). See illustration at cloud.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Essays. Emails. Everything. Get Help Now!