Dictionary

troposphere

noun tro·po·sphere \ˈtrō-pə-ˌsfir, ˈträ-\

Definition of TROPOSPHERE

:  the lowest densest part of the earth's atmosphere in which most weather changes occur and temperature generally decreases rapidly with altitude and which extends from the earth's surface to the bottom of the stratosphere
tro·po·spher·ic \ˌtrō-pə-ˈsfir-ik, ˌträ-, -ˈsfer-\ adjective

Origin of TROPOSPHERE

International Scientific Vocabulary
First Known Use: 1909

Browse

Next Word in the Dictionary: tropostereoscopePrevious Word in the Dictionary: tropophyteAll Words Near: troposphere
July 05, 2015
bunkum Hear it
insincere or foolish talk
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears