Si Collection, Middle Volume Radical: Fire (huo) Character: Shu Kangxi stroke count: 9 Page 668, Entry 08 Broad Rhymes (Guangyun) and Collected Rhymes (Jiyun) state it is pronounced shu. Jade Chapters (Yupian) defines it as the act of scorching. Broad Rhymes (Guangyun) defines it as smoke emerging.