已知数 yǐzhīshù known number Definitions Defs Origin Strokes Stroke Words Sentences Sents yǐzhīshù known number 已知 yǐzhī adjective known Already established or given; (math.) referring to a known quantity数 數 shù noun mathematical value a mathematical value or concept, such as an integer or an even numberyǐzhīshù foregone conclusion 已知 yǐzhī adjective known Already established or given; (math.) referring to a known quantity数 數 shù noun fate fate; destiny; a natural law or regularity