from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An electric light in which a current traverses a gas between two incandescent electrodes and generates an arc that produces light.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun An
electric arcarranged so as to produce useful light.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a lamp that produces light when electric current flows across the gap between two electrodes
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