mesopause
See also: mésopause
English
editEtymology
editFrom meso- (“middle”) + -pause (“boundary”).
Noun
editmesopause (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
editThe mesopause commonly lies between 80 and 90 km (50-55 mi) above sea level (ASL)