UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/bɑːrˈbɪtjərɪt/

US:USA pronuncation: IPAUSA pronuncation: IPA/bɑrˈbɪtʃərɪt, -əˌreɪt/

US:USA pronunciation: respellingUSA pronunciation: respelling(bär bichər it, -ə rāt′; bär′bi tŏŏrit, -āt, -tyŏŏr-)

WordReference Random House Learner's Dictionary of American English © 2020
bar•bi•tu•rate /bɑrˈbɪtʃərɪt, -əˌreɪt/USA pronunciation   n. [countable]
  1. Drugsa chemical used in medicine to calm people.

WordReference Random House Unabridged Dictionary of American English © 2020
bar•bi•tu•rate  (bär bichər it, -ə rāt′; bär′bi tŏŏrit, -āt, -tyŏŏr-),USA pronunciation n. [Pharm.]
  1. Drugsany of a group of barbituric acid derivatives, used in medicine as sedatives and hypnotics.
  • barbitur(ic) + -ate2 1925–30

Collins Concise English Dictionary © HarperCollins Publishers::
barbiturate /bɑːˈbɪtjʊrɪt -ˌreɪt/ n
  1. a derivative of barbituric acid, such as phenobarbital, used in medicine as a sedative, hypnotic, or anticonvulsant
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