Breadcrumb Home > Dictionary > Index P parametric amplifier: Meaning and Definition of Find definitions for: par'amet'ric am'plifier Pronunciation: [key] — Electronics. Electronics. 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. parameterize parametric equation TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: irascible Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language