from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The flow of electric current without resistance in certain metals, alloys, and ceramics at temperatures near absolute zero, and in some cases at temperatures hundreds of degrees above absolute zero.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The property of a material whereby it has no resistance to the flow of an electric current.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the disappearance of electrical resistance at very low temperatures
From super- + conductivity (Wiktionary)