乙部 yǐbù Radical 5 Origin Definitions Defs Strokes Stroke Words Sentences Sents yǐbù Radical 5 乙 yǐ radical 5 The fifth radical in Chinese characters.部 bù noun category (bound form) category; class; genus; used in terms like 部首 bùshǒuyǐbù history section 乙 yǐ second Heavenly Stem The second of the ten Heavenly Stems部 bù noun category (bound form) category; class; genus; used in terms like 部首 bùshǒu