Dictionary.com Thesaurus.com

mesopeak

American

[mez-uh-peek, mes-, mee-zuh-, -suh-] / ˈmɛz əˌpik, ˈmɛs-, ˈmi zə-, -sə- /

noun

the level of maximum temperature in the mesophere, at an altitude of about 30 miles (48 km).

Etymology

Origin of mesopeak

meso- + peak ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.