upper atmosphere

noun

The mesosphere, thermosphere, and exosphere

Meanings

nounupper atmosphere (plural upper atmospheres)

plural upper atmospheres

  1. climatologyThe mesosphere, thermosphere, and exosphere
Cite this entry
APA

upper atmosphere. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/upper%20atmosphere

MLA

“upper atmosphere.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/upper%20atmosphere. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “upper atmosphere,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/upper%20atmosphere.

Source: upper atmosphere on Wiktionary, CC BY-SA 4.0.