first derivative

Thesaurus

Noun

1.

first derivative - the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx derivative, derived function, differential, differential coefficient curvature - the rate of change (at a point) of the angle between a curve and a tangent to the curve figuring, reckoning, calculation, computation - problem solving that involves numbers or quantities partial, partial derivative - the derivative of a function of two or more variables with respect to a single variable while the other variables are considered to be constant