purine
/ˈpjʊəriːn/noun
mass noun
1- Chemistry a colourless crystalline compound with basic properties, forming uric acid on oxidation【化】嘌呤。
1.1
- A bicyclic compound; chem. formula: C5H4N4.二环化合物; 化学分子式： C5H4N4.
1.2
- （亦作purine base）[count noun] a substituted derivative of this, especially the bases adenine and guanine present in DNA嘌呤碱。
词源
late 19th cent.: from German Purin, from Latin purus 'pure' + uricum 'uric acid '+ -INE4.