WordReference Random House Unabridged Dictionary of American English © 2025
dif•fer•en•ti•a•tor
(dif′ə ren′shē ā′tər),USA pronunciation n.
- a person or thing that differentiates.
- Computingan electronic device whose output signal is proportional to the derivative of its input signal.
- Electricity, Electronicsa transducer or circuit (differen′tiator cir′cuit) whose output is proportional to the rate of change of the input signal.
- differentiate + -or2 1885–90