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tropopause

[trop-uh-pawz, troh-puh-] /ˈtrɒp əˌpɔz, ˈtroʊ pə-/
noun, Meteorology
1.
the boundary, or transitional layer, between the troposphere and the stratosphere.
Origin
1915-1920
1915-20; tropo- + pause
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for tropopause
  • Jet streams form at the tropopause, the transitional region between the troposphere and the stratosphere.
  • The tropopause is typically highest at the equator and lowest near the poles.
  • tropopause height is sensitive to temperature changes in the troposphere and stratosphere.
  • Warming the troposphere or cooling the stratosphere tends to increase tropopause height.
  • Be able to identify where synoptic-scale forcing for lift exists based upon examination of tropopause maps.
  • To the north of the break the tropopause is low in the atmosphere and to the south it is higher.
  • Together the tropopause and the troposphere are known as the lower atmosphere.
  • Both the tropopause and the troposphere are known as the lower atmosphere.
British Dictionary definitions for tropopause

tropopause

/ˈtrɒpəˌpɔːz/
noun
1.
(meteorol) the plane of discontinuity between the troposphere and the stratosphere, characterized by a sharp change in the lapse rate and varying in altitude from about 18 km (11 miles) above the equator to 6 km (4 miles) at the Poles
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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tropopause in Science
tropopause
  (trō'pə-pôz', trŏp'ə-)   
The boundary between the upper troposphere and the lower stratosphere, varying in altitude from about 8 km (5 mi) at the poles to 18 km (11 mi) at the equator.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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