Search the dictionary A Chinese word or character, or English Draw a character Search 2 entries. xúguāngqǐ 徐光启 Xu Guangqi (1562-1633), agricultural scientist, astronomer, and mathematician in the Ming dynasty xúguāngqǐ 徐光啟 Xu Guangqi (1562-1633), agricultural scientist, astronomer, and mathematician in the Ming dynasty