Chen Collection, Upper Volume Radical: Sun (rì) 暠 Kangxi Strokes: 14 Page 498, Entry 43 Guangyun (Comprehensive Rhymes), Jiyun (Collected Rhymes), and Zhengyun (Correct Rhymes) state it is pronounced gao (rising tone). It refers to the appearance of clarity. Jiyun (Collected Rhymes) and Yunhui (Collection of Rhymes) state it is pronounced hao (falling tone). It is the same as the character for brilliant white. Yupian (Jade Chapters) states it means white. History of the Former Han (Qian Han Shu), Biography of Sima Xiangru: The appearance of being pure white is like white hair.