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tropopause definition

tropo·pause (trō′pə pôz′, träp′ə-)

noun

an atmospheric transition zone or shell located between the troposphere and the stratosphere at an altitude of c. 10 to 20 km (c. 6 to 12 mi), in which temperatures and atmospheric stability begin to increase with increasing altitude

Etymology: tropo(sphere) + pause

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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