Merriam-Webster Logo
SINCE 1828
Menu
×

mesopause

noun me·so·pause \ ˈme-zə-ˌpȯz , ˈmē- , -sə- \

Definition of mesopause

: the upper boundary of the mesosphere where the temperature of the atmosphere reaches its lowest point

See mesopause defined for kids

Origin and Etymology of mesopause

mesosphere + pause

Learn More about mesopause

  1. See words that rhyme with mesopause Britannica.com: Encyclopedia article about mesopause

Seen and Heard

What made you want to look up mesopause? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

balmy

play

soothing, mild, or foolish

Get Word of the Day daily email!

TRENDING NOW

  1. asylum 'protection from arrest and extradition given especially to political refugees'

  2. insubordinate 'disobedient to authority'

  3. promulgate 'to make known by open declaration'

  4. epochal 'momentous or unparalleled'

  5. clemency 'merciful treatment of someone who could be given harsh punishment'

SEE ALL

BROWSE DICTIONARY

mesopause

Test Your Vocabulary

Name More Food!

  • red-fruit
  • Name that Fruit!
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games