the act of using derivatives, which is part of calculus, but ignoring proper grammar and English due to the fact it's not an English class.
Grant: Hey Derrek how do you do number 25 in section 4.1
Derrek: easy just derivatate it.
Grant: is that proper English?
Derrek: are we in an English class?
Verb. To take the derivative of
to get from 5x to 5, you derivatate it