parametric amplifier: Meaning and Definition of

par'amet'ric am'plifier

Pronunciation: [key]
— Electronics. Electronics.
  1. a device, as an electron tube or transistor, that amplifies a high-frequency input signal by sinusoidally varying the reactance of the circuit.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.