| 单词 | barbitone |
| 释义 | barbituric /bär-bi-tūˈrik/ (chem)adjectiveApplied to an acid got from malonic acid and urea, source of important sedatives ORIGIN: From the lichen Usnea barbata and uric acid barbˈitone noun (also (US) barbˈital) A derivative of barbituric acid used as a sedative and hypnotic barbitˈurate (or /-tūrˈ/) noun A salt or ester of barbituric acid, used as a source of sedative and hypnotic drugs |
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