| 单词 | xanthine |
| 释义 | xanthine /zan"theen, -thin/, n. Biochem., Chem. 1. a crystalline, nitrogenous compound, C5H4N4O2, related to uric acid, occurring in urine, blood, and certain animal and vegetable tissues. 2. any derivative of this compound. [1855-60; < F; see XANTHO-, -INE2] |
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