Definition of mesosphere
: 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
mesosphericplay \ˌme-zə-ˈsfir-ik, ˌmē-, -sə-, -ˈsfer-\ adjective
First Known Use of mesosphere
Learn More about mesosphere
Britannica.com: Encyclopedia article about mesosphere
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