(DoD, NATO) The transition zone between the stratosphere and the troposphere. The tropopause normally occurs at an altitude of about 25,000 to 45,000 feet (8 to 15 kilometers) in polar and temperate zones, and at 55,000 feet (20 kilometers) in the tropics.
Department of Defense Dictionary of Military and Associated Terms. 31 January 2011.
| APA | Military Dictionary (DoD). (2011). tropopause. Retrieved September 24, 2026, from http://smartdefine.org/tropopause/definitions/1964531 |
| Chicago | Military Dictionary (DoD). 2011. "tropopause" http://smartdefine.org/tropopause/definitions/1964531 (accessed September 24, 2026). |
| Harvard | Military Dictionary (DoD) 2011, tropopause, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/tropopause/definitions/1964531>. |
| MLA | Military Dictionary (DoD). "tropopause" 4 April 2011. Web. 24 September 2026. <http://smartdefine.org/tropopause/definitions/1964531> |