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

Medical Dictionary

barbiturate

play play
noun bar·bi·tu·rate \bär-ˈbich-ə-rət, -ˌrāt; ˌbär-bə-ˈt(y)u̇r-ət, -ˈt(y)u̇(ə)r-ˌāt\

Medical Definition of barbiturate

  1. 1:  a salt or ester of barbituric acid

  2. 2:  any of various derivatives of barbituric acid (as phenobarbital) that are used especially as sedatives, hypnotics, and antispasmodics and are often addictive





Seen and Heard

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

WORD OF THE DAY

a division or portion of a pool or whole

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1926873504

Which of the following best describes an easily irritated person?

gregarious flashy superficial tetchy
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