tropopause

[ trop-uh-pawz, troh-puh- ]

/ ˈtrɒp əˌpɔz, ˈtroʊ pə- /

noun Meteorology.

the boundary, or transitional layer, between the troposphere and the stratosphere.

Nearby words

tropologic, tropology, tropomyosin, troponin, troponin i, tropopause, tropophilous, tropophyte, troposphere, tropospheric, tropospheric scatter

Origin of tropopause

First recorded in 1915–20; tropo- + pause

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for tropopause

tropopause

/ (ˈtrɒpəˌpɔːz) /

noun

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

Science definitions for tropopause

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.