Wu Collection, Lower Volume Radical: Stone (shí) Character: tian Kangxi strokes: 17 Page 836, Entry 32 Broad Rhymes (Guangyun), Collected Rhymes (Jiyun): Pronounced dian (falling tone). The character tian refers to lightning. Classic of Fundamental Principles (Yuanbaojing), Chapter on Gnawing and Biting (Shihe): Striking the tian to burn.