first derivative
noun Mathematics.
the derivative of a function: Velocity is the first derivative of distance with respect to time.
Compare
second derivative.
Origin of first derivative
First recorded in 1825–35
Words nearby first derivative
first cousin,
first cranial nerve,
first cuneiform bone,
first dark,
first day,
first derivative,
first division,
first down,
first edition,
first empire,
first estate