pyrocinchonic acid

py·​ro·​cinchonic acid | \ ¦pī(ˌ)rō+...- \

Definition of pyrocinchonic acid

: an unstable dicarboxylic acid C4H6(COOH)2 obtained usually in the form of its crystalline anhydride by pyrolysis of cinchonic acid; dimethyl-maleic 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 pyrocinchonic acid

pyrocinchonic International Scientific Vocabulary pyr- + cinchonic

Keep scrolling for more

Learn More about pyrocinchonic acid

Statistics for pyrocinchonic acid

Cite this Entry

“Pyrocinchonic acid.” The Dictionary, Merriam-Webster Inc., Accessed 10 December 2019.

Comments on pyrocinchonic acid

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


to state or do over again or repeatedly

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

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

Love words? Need even more definitions?

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