[mez-uh-pawz, mes-, mee-zuh-, -suh-]
Origin of mesopause
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
meteorol the zone of minimum temperature between the mesosphere and the thermosphere
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
The boundary between the upper mesosphere and the lower thermosphere, approximately 80 km (50 mi) above the Earth's surface. It is the site of the coldest temperatures in the Earth's atmosphere, with temperatures of -100°C (-148°F).
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