mesopause
See also: mésopause
English
[edit]
Etymology
[edit]From meso- (“middle”) + -pause (“boundary”).
Noun
[edit]mesopause (plural mesopauses)
- (meteorology) In the atmosphere, the boundary between the mesosphere and the thermosphere or ionosphere. It is the atmospheric boundary where the temperature reaches its minimum value.
Usage notes
[edit]The mesopause commonly lies between 80 and 90 km (50-55 mi) above sea level (ASL)