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Related to stratopause: mesopause
The boundary between the stratosphere and the mesosphere, located at an altitude of about 50 kilometers (31 miles) above the earth's surface.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Physical Geography) meteorol the transitional zone of maximum temperature between the stratosphere and the mesosphere
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