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Cumulus Meaning in English

word

ˈkjuːmjələs
KYOO-myuh-luhs
kjˈuːmjʊləs
kyoo-MYOO-luhs

Definition

A cumulus is a type of cloud that is large, white, and puffy, often with a flat base and a rounded top. Cumulus clouds usually signal fair weather but can also grow into storm clouds.

Usage & Nuances

'Cumulus' is mainly used in scientific, meteorological, or educational contexts. Plural is 'cumulus clouds' or 'cumuli', but 'cumulus clouds' is far more common. Not used for dark or rainy clouds—those are 'nimbus' or 'cumulonimbus'.

Example Sentences

There is a large cumulus cloud in the sky.

basic

Cumulus clouds are usually white and fluffy.

basic

Farmers watch cumulus clouds to know the weather.

basic

Look at those giant cumulus clouds—they make the sky look amazing!

natural

If you see a cumulus cloud growing taller, a storm might be coming.

natural

As a kid, I used to imagine animals in the shapes of cumulus clouds.

natural