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单词 barbituric acid
释义

barbituric acid

noun

bar·​bi·​tu·​ric acid ˌbär-bə-ˈt(y)u̇r-ik- How to pronounce barbituric acid (audio)
: a synthetic crystalline acid C4H4N2O3 derived from pyrimidine

Word History

Etymology

partial translation of German Barbitursäure, irregular from the name Barbara + International Scientific Vocabulary uric + German Säure acid

First Known Use

1865, in the meaning defined above

Medical Definition

barbituric acid

noun

bar·​bi·​tu·​ric acid ˌbär-bə-ˌt(y)u̇r-ik- How to pronounce barbituric acid (audio)
: a synthetic crystalline acid C4H4N2O3 that is a derivative of pyrimidine
also : any of its acid derivatives of which some are used as hypnotics
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更新时间:2024/9/25 7:13:50