吡啶 bǐdìng pyridine Definitions Defs Origin Strokes Stroke Words Sentences Sents 吡 bǐ phonetic [phonetic] (bound form) used in transliterations, especially in chemical names like 吡啶 bǐdìng and 吡咯 bǐluò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
