When a cloud forms in space, it is known as an interstellar cloud, or a nebula. Three components are necessary for clouds to form: water vapor, cool or cold air, and condensation nuclei. A white cloud means that the cloud was formed with warm air. A grey, or a black cloud, means that the cloud contains larger drops of water. There are four main types of clouds:
a cumulus cloud at an intermediate altitude of 2 or 3 miles
Find another word for altocumulus. In this page you can discover 2 synonyms, antonyms, idiomatic expressions, and related words for altocumulus, like: cloud and altocumulus cloud.