barbituric acid

bar·​bi·​tu·​ric acid | \ ˌbär-bə-ˈt(y)u̇r-ik- How to pronounce barbituric acid (audio) \

Definition of barbituric acid

: a synthetic crystalline acid C4H4N2O3 derived from pyrimidine

First Known Use of barbituric acid

1865, in the meaning defined above

History and Etymology for barbituric acid

partial translation of German Barbitursäure, irregular from the name Barbara + International Scientific Vocabulary uric + German Säure acid

Keep scrolling for more

Learn More about barbituric acid

Time Traveler for barbituric acid

Time Traveler

The first known use of barbituric acid was in 1865

See more words from the same year

Statistics for barbituric acid

Cite this Entry

“Barbituric acid.” Dictionary, Merriam-Webster, Accessed 23 Feb. 2020.

Keep scrolling for more

More Definitions for barbituric acid

barbituric acid

bar·​bi·​tu·​ric acid | \ ˌbär-bə-ˌt(y)u̇r-ik- How to pronounce barbituric acid (audio) \

Medical Definition of barbituric acid

: a synthetic crystalline acid C4H4N2O3 that is a derivative of pyrimidine also : any of its acid derivatives of which some are used as hypnotics

More from Merriam-Webster on barbituric acid Encyclopedia article about barbituric acid

Comments on barbituric acid

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
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!