barbituric acid
/ˌbɑːbɪˈtjʊərɪk/noun
mass noun
1- Chemistry a synthetic organic acid from which the barbiturates are derived【化】巴比土酸; 丙二酰脲。
1.1
- A cyclic derivative of urea and malonic acid; chem. formula: C4H4O3N2.尿素和丙二酸的环衍化物; 化学分子式： C4H4O3N2.
词源
mid 19th cent.: from French barbiturique, from German Barbitursäure, from the given name Barbara + Säure 'acid'.