STRATOSPHERE

stratosphere

(noun) the atmospheric layer between the troposphere and the mesosphere

Source: WordNet® 3.1


Etymology

Noun

stratosphere (plural stratospheres)

(geology, obsolete) Collectively, those layers of the Earth’s crust which primarily comprise stratified deposits.

(meteorology) The region of the uppermost atmosphere where temperature increases along with the altitude due to the absorption of solar ultraviolet radiation by ozone. The stratosphere extends from the tropopause (10–15 kilometers) to approximately 50 kilometers, where it is succeeded by the mesosphere.

Source: Wiktionary



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Word of the Day

6 June 2025

PUNGENCY

(noun) wit having a sharp and caustic quality; “he commented with typical pungency”; “the bite of satire”


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Coffee Trivia

In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.

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