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单词 phenobarbital
释义

WordReference Random House Learner's Dictionary of American English © 2024
phe•no•bar•bi•tal /ˌfinoʊˈbɑrbɪˌtɔl, -ˌtæl, -nə-/USA pronunciation   n. 
    [uncountable]
  1. Drugsa white, crystalline powder used as a drug to cause sleep and to relax the mind.

WordReference Random House Unabridged Dictionary of American English © 2024
phe•no•bar•bi•tal  (fē′nō bärbi tôl′, -tal′, -nə-),USA pronunciation n. [Pharm.]
  1. Drugsa white, crystalline powder, C12H12N2O3, used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
Also,[esp. Brit.,] phe•no•bar•bi•tone (fē′nō bärbi tōn′, -nə-).USA pronunciation Also called phenylethylbarbituric acid. 
  • pheno- + barbital 1915–20

Collins Concise English Dictionary © HarperCollins Publishers::
phenobarbital /ˌfiːnəʊˈbɑːbɪtəl/ n
  1. a white crystalline derivative of barbituric acid used as a sedative for treating insomnia and as an anticonvulsant in epilepsy. Formula: C12H12N2O3
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更新时间:2025/2/23 15:27:31