Cumulus

usgb/ˈkjuːmjələs/
noun

A type of cloud that is large, white, round, and fluffy.

We saw a beautiful cumulus cloud in the sky this morning.
Visual representation of "cumulus" - A type of cloud that is large, white, round, and fluffy

Often appears as...

  • cumulus cloud
  • towering cumulus
Definition 1 of 2
Visual representation of "cumulus"
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Weather Related

'Cumulus' is specifically used in meteorology to describe a type of cloud formation.

Illustration for Weather Related
The meteorologist explained how cumulus clouds indicate good weather.
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Physical Appearance

Cumulus clouds are distinct for their puffy, cotton-like appearance which can be associated with fair weather.

Illustration for Physical Appearance
Children often draw cumulus clouds because of their simple, fluffy shape.
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Not Always White

'Cumulus' refers to the shape, not the color; they can turn gray when rain is about to fall.

Illustration for Not Always White
The cumulus clouds have darkened, suggesting that it might rain soon.
Visual representation of the word "Cumulus"

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