from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A source of alternating current, especially a now obsolete radio transmitter, that derives its output from the oscillating discharge of a capacitor to an inductor and across a spark gap.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an early radio transmitter using a discharge across a spark gap as the source of its power
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