(calculus) derived function - of a function, another function, the value of which for any value of the independent variable is the instantaneous rate of change of the given function at that value of the independent variable.

Kyūjitai form of 導体: conductor

a male given name

magic, sorcery

magic, (especially black magic)

a surname

a surname

(uncommon) inducing sleep

having a comeback or excuse for everything one is told, being smart in the sense of having a smart mouth

(ecology) the greenhouse effect