tropopause

[ trop-uh-pawz, troh-puh- ]
/ ˈtrɒp əˌpɔz, ˈtroʊ pə- /

noun Meteorology.

the boundary, or transitional layer, between the troposphere and the stratosphere.

Origin of tropopause

First recorded in 1915–20; tropo- + pause

British Dictionary definitions for tropopause

tropopause
/ (ˈtrɒpəˌpɔːz) /

noun

meteorol the plane of discontinuity between the troposphere and the stratosphere, characterized by a sharp change in the lapse rate and varying in altitude from about 18 km (11 miles) above the equator to 6 km (4 miles) at the Poles

Scientific definitions for tropopause

tropopause
[ trōpə-pôz′, trŏpə- ]

The boundary between the upper troposphere and the lower stratosphere, varying in altitude from about 8 km (5 mi) at the poles to 18 km (11 mi) at the equator.