To save this word, you'll need to log in.
cross section of strata showing syncline
1873, in the meaning defined above
back-formation from synclinal
Keep scrolling for more
Time Traveler for syncline
See more words from the same year
Cite this Entry
“Syncline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/syncline. Accessed 27 Sep. 2020.
More from Merriam-Webster on syncline
Britannica.com: Encyclopedia article about syncline
Comments on syncline
What made you want to look up syncline? Please tell us where you read or heard it (including the quote, if possible).
See Definitions and Examples »
Get Word of the Day daily email!
Challenging Vocabulary Quiz Returns!
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!
Words from the week of 9/25/2020
We'll map it out for you.
The word, not the behavior
We use these words to describe food, but they beg...
We're intent on clearing it up
We're gonna stop you right there
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
No tricks, just difficult words.
More/moor than/then two/too/to.
Listen to the words and spell through all three l...