補数 ほすう Meanings Noun complement (of a number) Kanji 補 supplement. Read as ホ. 数 number. Read as スウ. Words containing 補数 減基数の補数 (げんきすうのほすう) diminished radix complement 補数の底 (ほすうのそこ) complement base 補数演算 (ほすうえんざん) complementary operation And 3 more. Word lists Mathematics Jinuma: Japanese Dictionary · Word lists