troposphere
noun
tro·po·sphere
| \ ˈtrō-pə-ˌsfir
, ˈträ-\
, 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 at about 7 miles (11 kilometers) high
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Other Words from troposphere
tropospheric
\ ˌtrō-pə-ˈsfir-ik
, ˌträ- , -ˈsfer- \
adjective
, ˌträ- , -ˈsfer- \
adjective
Examples of troposphere in a Sentence
Recent Examples on the Web
Heat and humidity are high enough to allow the clouds to form and the tropopause—the boundary between the troposphere and stratosphere—is about 10 miles up, giving large storms plenty of room to form. — Jason Daley, Smithsonian, "Rare Lightning Strikes Detected 300 Miles From North Pole," 14 Aug. 2019 Above the troposphere is the stratosphere, the layer that protects Earth from ultra-violet radiation. — Annie Gentile, courant.com, "Cheney Homestead Presents “1816: The Year Without A Summer”," 15 Aug. 2019 Yet lower down in the troposphere, the opposite is taking place: Temperature changes are weakening the temperature gradient, and are expected to slacken the jet stream. — Andrew Freedman, Anchorage Daily News, "Buckle up: Climate change is already contributing to bumpier North Atlantic flights, study finds," 7 Aug. 2019 Jet streams travel in the tropopause—the area between the troposphere and the stratosphere—at heights of about 8 to 15 kilometers (5 to 9 miles). — Christina Nunez, National Geographic, "The jet stream, explained," 8 Mar. 2019 Stratospheric eruptions can also have a greater impact on climate than those that stay lower down in the troposphere. — Brigit Katz, Smithsonian, "Astronauts Capture Stunning Image of Volcano Erupting for the First Time in 95 Years," 27 June 2019 Cloud atlas Clouds generally form within the troposphere, or the layer of atmosphere closest to the earth. — Catherine Zuckerman, National Geographic, "Clouds, explained," 24 Apr. 2019 Using the pre-Industrial Revolution simulations to estimate the range of natural variability, the analysis showed that the observed seasonal patterns in the middle troposphere have clearly emerged above the noise. — Scott K. Johnson, Ars Technica, "“Fingerprint” of humanity’s climate impact seen in the seasons," 19 July 2018 One happens in the troposphere, the lowest layer of the earth’s atmosphere, while another happens higher up in the stratosphere. — David Grossman, Popular Mechanics, "What Is a Polar Vortex? The Frigid Weather Pattern Explained," 16 Jan. 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'troposphere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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