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

maleic acid

play
noun ma·le·ic acid \mə-ˈlē-ik-, -ˈlā-\

Definition of maleic acid

  1. :  a crystalline dicarboxylic acid C4H4O4 that is isomeric with fumaric acid and is used especially in organic synthesis



Origin and Etymology of maleic acid

French acide maléique, alteration of acide malique malic acid; from its formation by dehydration of malic acid


First Known Use: 1857


Medical Dictionary

maleic acid

play play
noun ma·le·ic acid \mə-ˌlē-ik-, -ˌlā-\

Medical Definition of maleic acid

  1. :  a crystalline dicarboxylic acid C4H4O4 that is isomeric with fumaric acid and is used especially in organic synthesis




Learn More about maleic acid


Seen and Heard

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

WORD OF THE DAY

to proceed clumsily or ineffectually

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

interruption torrent megillah rebellion
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