Read Edit View history 吲 yǐn smile at Origin Definitions Defs Strokes Stroke Words Sentences Sents 吲 yǐn (bound form) indole (bound form) used in the chemical name 吲哚 yǐnduǒ for indole Frequency Character Written text 6,349th most common 0.186 per million Word Written text 0.350 per million Details Strokes 7 Unicode U+5432 Sources Frequency data MTSU Chinese text computingBCC Corpus (BLCU)