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troposphere

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

Definition of troposphere

  1. :  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

tropospheric

play \ˌtrō-pə-ˈsfir-ik, ˌträ-, -ˈsfer-\ adjective



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WORD OF THE DAY

to lessen in amount, effect, or force

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