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troposphere.

Noun
Sci-FiSettingTechnical
MEANING

The lowest major layer of a planet’s atmosphere, characterized on Earth by most weather and generally decreasing temperature with height.

Use it for

clouds and storms in a planet’s lower atmosphere; a vessel descending toward weather-bearing air; atmospheric layer distinguished from outer space

Words that belong together

  • Earth’s troposphere
  • tropospheric weather

On the page

The descending vessel entered the cloud-filled troposphere.
The model compared the imagined planet’s troposphere with Earth’s lower atmosphere.

Related words

lower weather-bearing atmospheretropopause (upper boundary)tropospheric
Word forms
Base
troposphere

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Science-fiction vocabulary

Usage notes

Primary category: sci-fi. Forms: Singular troposphere; plural tropospheres. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.

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