mesosphere

noun

me·​so·​sphere ˈme-zə-ˌsfir How to pronounce mesosphere (audio)
ˈmē-,
-sə-
: the part of the earth's atmosphere between the stratosphere and the thermosphere in which temperature decreases with altitude to the atmosphere's absolute minimum
mesospheric
ˌme-zə-ˈsfir-ik How to pronounce mesosphere (audio)
ˌmē-
-sə-
-ˈsfer-
adjective

Examples of mesosphere in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
So as to keep from soaring clean into the mesosphere at the first gust of a wind, the Canopy anchors to the vehicle via a series of elastic bands and suction cups and also stakes down to the ground. New Atlas, 16 Aug. 2024 Falling spacecraft gradually ablate — the technical term for burning up — about 40 miles above the ground, in the mesosphere, which sits above the stratosphere. Ramin Skibba, Rolling Stone, 6 July 2024 The volcanic eruption shot gas and ash 36 miles up into Earth’s mesosphere, higher than the plume from any other volcano on record. Rahul Rao, Popular Science, 7 Sep. 2023 Meteors typically occur in the mesosphere, which is around 30 to 50 miles from Earth’s surface. Marina Johnson, Detroit Free Press, 10 Aug. 2023 See all Example Sentences for mesosphere 

Word History

Etymology

meso- + -sphere

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of mesosphere was in 1950

Dictionary Entries Near mesosphere

Cite this Entry

“Mesosphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mesosphere. Accessed 30 Nov. 2024.

Kids Definition

mesosphere

noun
me·​so·​sphere ˈmez-ə-ˌsfi(ə)r How to pronounce mesosphere (audio)
ˈmēz-,
ˈmēs-,
ˈmes-
: a layer of the atmosphere extending from the top of the stratosphere to an altitude of about 50 miles (80 kilometers)

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