reactance Hear it!

reactance definition - telecom
A form of opposition to the flow of alternating electric current (AC) because of capacitance or inductance, reactance is an inertial reaction to the flow of AC, and is measured in Ohms ( ). See also capacitive reactance and inductive reactance.

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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