Rolle's theorem

noun
\ ˈrȯlz- How to pronounce Rolle's theorem (audio) , ˈrōlz- \

Definition of Rolle's theorem

: a theorem in mathematics: if a curve is continuous, crosses the x-axis at two points, and has a tangent at every point between the two intercepts, its tangent is parallel to the x-axis at some point between the intercepts

First Known Use of Rolle's theorem

1858, in the meaning defined above

History and Etymology for Rolle's theorem

Michel Rolle †1719 French mathematician

Keep scrolling for more

Learn More about Rolle's theorem

Time Traveler for Rolle's theorem

Time Traveler

The first known use of Rolle's theorem was in 1858

See more words from the same year

Statistics for Rolle's theorem

Cite this Entry

“Rolle's theorem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rolle%27s%20theorem. Accessed 23 Nov. 2020.

Comments on Rolle's theorem

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

WORD OF THE DAY

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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!