Daily Almanac for
Nov 30, 2009
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par'amet'ric am'plifier



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.

parameterizeparametric equation
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