To save this word, you'll need to log in.
bar·bi·tu·ric acid | \ ˌbär-bə-ˈt(y)u̇r-ik- 
\
\Definition of barbituric acid
: a synthetic crystalline acid C4H4N2O3 derived from pyrimidine
Keep scrolling for more
Keep scrolling for more
More Definitions for barbituric acid
barbituric acid
nounbar·bi·tu·ric acid | \ ˌbär-bə-ˌt(y)u̇r-ik- \
\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
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).
Test Your Vocabulary
More Confusing Words—Quiz
- The magician
______moved the selected card to the top of the deck.
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- More Confusing Words—Quiz
How many of these commonly confused words do you know?
Take the quiz - Name that Thing: Toys and Games Edition
It's all fun and games until someone beats your high score.
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share barbituric acid
Time Traveler for barbituric acid
The first known use of barbituric acid was in 1865
See more words from the same year