Atmosphere

usgb/ˈætməsfɪr/
noun

The layer of gases surrounding the earth or another planet.

The earth's atmosphere protects us from the sun's harmful rays.
Visual representation of "atmosphere" - The layer of gases surrounding the earth or another planet

Often appears as...

  • earth's atmosphere
  • atmosphere pressure

Usage tips

Academic

Definition 1 of 3
Visual representation of "atmosphere"
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Multiple Layers

The atmosphere has different layers, each with a distinct function, like stratosphere or troposphere.

Illustration for Multiple Layers
Scientists study the ozone layer in the atmosphere to monitor UV radiation.
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Not Just Air

'Atmosphere' implies more than air; it includes all gases enveloping Earth, like oxygen and nitrogen.

Illustration for Not Just Air
Atmospheric research often looks at greenhouse gases and their effects on climate.
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Human Impact

Human activities, such as pollution, can affect the atmosphere's composition and health.

Illustration for Human Impact
Factories' emissions have caused noticeable changes in the atmosphere over time.
Visual representation of the word "Atmosphere"

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