嘧啶 mìdìng pyrimidine Origin Definitions Defs Strokes Stroke Words Sentences Sents 嘧 mì phonetic [phonetic] (bound form) used in phonetic transcriptions, specifically in 嘧啶 mìdìng啶 dìng phonetic -idine (bound form) used in chemical terms for organic compounds, specifically for nitrogen-containing compounds such as 吡啶 bǐdìng or 嘧啶 mìdìng