Si Collection, Middle Volume Radical: Fire (huǒ) Character: Yin Kangxi strokes: 10 Page 669, Entry 25 Sound and Rhyme Dictionary (Jiyun): Pronounced yin (level tone), with the same pronunciation as the character for lewd or excessive. Originally written as the variant form. See the detailed explanation under the entry for that character. The character yin originally evolved from the radical form for open or connected.