noun
differential quotient
Mathematical term for the derivative expressed as a quotient of differentials; used in calculus.
微分商は関数の瞬間的な変化率を表す。
The differential quotient represents the instantaneous rate of change of a function.
導関数 (derivative function) is a more common term for the derivative; 微分商 emphasizes the quotient form.
Compound of 微分 (differentiation) and 商 (quotient).