定数 Traditional form: 定數 Pinyin (reading): dìngshù Definitions: constant (math.) quota fixed number (e.g. of places on a bus) fixed quantity (e.g. load of truck) destiny Characters: 定 - to decide, to fix, to settle; to order; definite, fixed, sure 数 - count, number, several Traditional characters: 定 - to decide, to fix, to settle; to order; definite, fixed, sure 數 - count, number, several