卟吩 bǔfēn porphin Origin Definitions Defs Strokes Stroke Words Sentences Sents 卟 bǔ phonetic [transliteration] (bound form) used in transliterating organic chemical compounds, specifically 卟吩 bǔfēn and 卟啉 bǔlín吩 fēn phonetic [chemical transliteration] (bound form) used in the transliteration of chemical names; for example, in words for specific chemical compounds