Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

tautomerism

play
noun tau·tom·er·ism \tȯ-ˈtä-mə-ˌri-zəm\

Definition of tautomerism

  1. :  isomerism in which the isomers change into one another with great ease so that they ordinarily exist together in equilibrium



Circa 1890

First Known Use of tautomerism

circa 1890


Medical Dictionary

tautomerism

play
noun tau·tom·er·ism \tȯ-ˈtäm-ə-ˌriz-əm\

Medical Definition of tautomerism

  1. :  isomerism in which the isomers change into one another with great ease so that they ordinarily exist together in equilibrium




Learn More about tautomerism


Seen and Heard

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

WORD OF THE DAY

a smart aleck

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

oily prompt maudlin angry
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ