The Collaborative International Dictionary
Differentiator \Dif`fer*en"ti*a`tor\, n. One who, or that which, differentiates.
n. Anything that differentiates, or causes differentiation (in any sense)
n. a person who differentiates [syn: discriminator]
In electronics, a differentiator is a circuit that is designed such that the output of the circuit is approximately directly proportional to the rate of change (the time derivative) of the input. An active differentiator includes some form of amplifier. A passive differentiator circuit is made of only resistors and capacitors.
Usage examples of "differentiator".
Language is the prime differentiator of peoples -not of races', whatever that much-misused word may mean in the long-blended history of western Europe.