To save this word, you'll need to log in.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tropopause.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1918, in the meaning defined above
International Scientific Vocabulary troposphere + pause
Keep scrolling for more
Time Traveler for tropopause
See more words from the same year
Cite this Entry
“Tropopause.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/tropopause. Accessed 12 December 2019.
More from Merriam-Webster on tropopause
Rhyming Dictionary: Words that rhyme with tropopause
Britannica.com: Encyclopedia article about tropopause
Comments on tropopause
What made you want to look up tropopause? Please tell us where you read or heard it (including the quote, if possible).
a period of high artistic development
Get Word of the Day daily email!
Semantic Drift Quiz
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
To your health
Take a deeper dive on our 2019 pick
Our Word of the Year 'they,' plus 10 more
Our Favorite Quotations About Winter
How we chose 'they'
How to remember which is which
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
A challenging quiz of changing words.
We are thankful for obscure words.
Listen to the words and spell through all three levels.