負ふ号ごうふごうMeanings1nounminus sign; negative signmathematicsMathematical symbol indicating subtraction or a negative number. The opposite of 正号 (plus sign).See also: 正号数すう式しきでは、負ふ号ごうは「−」で表あらわされる。In mathematical expressions, the minus sign is represented by '−'.
