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stratosphere
noun
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How to pronounce stratosphere:

Definition of stratosphere:

stratosphere (noun):
the atmospheric layer between the troposphere and the mesosphere.
the part of the earth's atmosphere which extends from the top of the troposphere to about 30 miles (50 kilometers) above the surface and in which temperature increases gradually to about 32°f (0°c) and clouds rarely form

Synonyms for stratosphere:

layeratmosphere

Other 3-syllable words like stratosphere

Here are some other common words that have 3 syllables, like stratosphere does.

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