barbiturate

[ bahr-bich-er-it, -uh-reyt; bahr-bi-too r-it, -eyt, -tyoo r- ]
/ bɑrˈbɪtʃ ər ɪt, -əˌreɪt; ˌbɑr bɪˈtʊər ɪt, -eɪt, -ˈtyʊər- /

noun Pharmacology.

any of a group of barbituric acid derivatives, used in medicine as sedatives and hypnotics.

Origin of barbiturate

First recorded in 1925–30; barbitur(ic) + -ate2

Related forms

non·bar·bit·u·rate, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for barbiturates

British Dictionary definitions for barbiturates

barbiturate

/ (bɑːˈbɪtjʊrɪt, -ˌreɪt) /

noun

a derivative of barbituric acid, such as phenobarbital, used in medicine as a sedative, hypnotic, or anticonvulsant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for barbiturates

barbiturate

[ bär-bĭchər-ĭt, -ə-rāt′, bär′bĭ-turĭt, -āt′ ]

n.

A salt or ester of barbituric acid.
Any of a group of barbituric acid derivatives that act as central nervous system depressants and are used as sedatives or hypnotics.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for barbiturates

barbiturate

[ bär-bĭchər-ĭt ]

Any of a group of drugs that act as depressants of the central nervous system, are highly addictive, and are used primarily as sedatives and anticonvulsants. Phenobarbital and pentobarbital are examples of barbiturates.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for barbiturates

barbiturates

[ (bahr-bich-uh-rits, bahr-bich-uh-rayts) ]

Substances derived from an organic compound that are used as sedatives and sleep inducers. Barbiturates, which work by depressing the activity of the central nervous system, are sometimes used in the treatment of illnesses such as epilepsy.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.