Search Dictionary
Definition of troposphere

troposphere

/ˈtroʊ.pəˌsfɪər/
tro · po · sphere
Plural:tropospheres
•
Adjective:tropospheric
JUMP TO:

troposphere Lexical Profile

troposphere Game Scores & Validity

• noun

1

The lowest layer of Earth's atmosphere, extending from the planetary surface to the stratosphere (about 6 to 20 kilometers high), in which temperature generally decreases with altitude and almost all weather phenomena occur.

Example

"Commercial passenger jets typically cruise near the top of the troposphere or in the lower stratosphere to avoid turbulent weather."

• Nearby Words

tropically
tropicbird
tropics
troposphere
trot
trots
trotter

Word Origin & Etymology

Coined in French as 'troposphère' in 1908 by meteorologist Léon Teisserenc de Bort, from the Ancient Greek 'tropos' (a turn or change, referring to convective mixing) and 'sphaira' (sphere).

Cite this Entry

Wordmom. (2026). Definition of Troposphere. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/troposphere
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.