Added 10 October 2026
stratosphere
/ˈstɹætəsfɪə/ noun
Coined: a coined word Wiktionary
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about stratosphere at Wordnik → Where our words come from →
- The region of the uppermost atmosphere where the temperature increases along with the altitude due to the absorption of solar ultraviolet radiation by ozone.
- Collectively, those layers of the Earth’s crust which primarily comprise stratified deposits.
Origin
From French stratosphère, a word coined by its discoverer, meteorologist Léon Teisserenc de Bort. From strato- + -sphere.
From Wiktionary, via Kaikki.org (CC BY-SA)