noun ·3 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   The zone of transition between the troposphere and the stratosphere (approximately 13 kilometers). The tropopause normally occurs at an altitude of between 25,000 and 45,000 feet in polar and temperate zones. It occurs at 55,000 feet in the tropics.
2. 2
   the region of discontinuity between the troposphere and the stratosphere wordnet

Synonyms

All synonyms

aerospaceaerosphereairair holeair pocketair space

Etymology

From tropo- (“troposphere”) + -pause (“discontinuance”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.