active Hear it!

active definition - telecom
Energized, i.e., electrically powered, and in a state of readiness to perform a function such as amplifying a signal, detecting and correcting for errors in received data, retiming a signal, or retransmitting a signal. An amplifier or repeater, for example is an active device, but a reflector is passive. See also passive.

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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making an "active" word"36 years ago

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