Definition of stratosphere in English:

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stratosphere

Pronunciation: /ˈstradəˌsfir/

noun

1The layer of the earth’s atmosphere above the troposphere, extending to about 32 miles (50 km) above the earth’s surface (the lower boundary of the mesosphere).
Example sentences
  • The stratosphere extends above the troposphere to about 150,000 feet and is the region where the ozone layer is formed.
  • Just above the stratosphere lies the mesosphere.
  • Another important climate forcing, volcanic aerosols, can also give a similar opposing trend between the stratosphere and troposphere.
1.1 informal The very highest levels of a profession or other sphere, or of prices or other quantities: her next big campaign launched her into the fashion stratosphere
More example sentences
  • I like to say his standards were in the stratosphere, which is of course where they belong, journalistically.
  • At the Class X level, the percentages hit the stratosphere.
  • He's blasted the level of cuisine into the stratosphere.

For editors and proofreaders

Syllabification: strat·o·sphere

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