strat·o·pause 
(strătə-pôz′)
(strătə-pôz′)n.
The boundary between the stratosphere and the mesosphere, located at an altitude of about 50 kilometers (31 miles) above the earth's surface.
[STRATO(SPHERE) + PAUSE.]
- inverse function
- inversely
- inverse-square law
- inversion
- invert
- invertase
- invertebrate
- inverted comma
- inverted mordent
- inverter
- invertible
- invert sugar
- invest
- investable
- investible
- investigable
- investigate
- investigation
- investigational
- investigative
- investigator
- investigatorial
- investigatory
- investiture
- investment