noun tro·po·pause \ˈtrō-pə-ˌpȯz, ˈträ-\

Definition of tropopause

  1. :  the region at the top of the troposphere; also :  a comparable layer of a celestial body

Origin and Etymology of tropopause

International Scientific Vocabulary troposphere + pause

First Known Use: 1918

Learn More about tropopause

Seen and Heard

What made you want to look up tropopause? Please tell us where you read or heard it (including the quote, if possible).