coumalic acid

cou·​mal·​ic acid | \ (ˈ)kü¦malik-, -mā- \
variants: or less commonly cumalic acid \ (ˈ)kyü-​ \

Definition of coumalic acid

: a white crystalline acid C6H4O4 formed by heating malic acid with sulfuric acid or zinc chloride; 5-coumalin-carboxylic acid

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for coumalic acid

International Scientific Vocabulary coumalic, blend of coumarin and malic

Keep scrolling for more

Learn More about coumalic acid

Statistics for coumalic acid

Cite this Entry

“Coumalic acid.” Dictionary, Merriam-Webster, Accessed 28 Jan. 2021.

Comments on coumalic acid

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


Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!