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superconductivity

[soo-per-kon-duh k-tiv-i-tee] /ˌsu pərˌkɒn dəkˈtɪv ɪ ti/
noun, Physics.
1.
the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
Origin
1915-1920
1915-20; super- + conductivity
Related forms
superconduction
[soo-per-kuh n-duhk-shuh n] /ˌsu pər kənˈdʌk ʃən/ (Show IPA),
noun
superconductive
[soo-per-kuh n-duhk-tiv] /ˌsu pər kənˈdʌk tɪv/ (Show IPA),
superconducting, adjective
superconductor
[soo-per-kuh n-duhk-ter] /ˌsu pər kənˈdʌk tər/ (Show IPA),
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for superconductivity
  • Since his book came out, there have been breakthroughs in the field of superconductivity.
  • They remember a rather different cool fantasy, too: superconductivity.
  • He points out that nobody in the superconductivity business is making money yet.
  • More plausible spin-offs would be in the field of superconductivity.
  • The radiation anticipated could be mitigated by superconductivity.
  • Today, seven years after the high-temperature superconductivity revolution, a complete theory of the phenomenon is still lacking.
  • More ordered even than a solid is an exotic state of matter called superconductivity, and its partner, superfluidity.
  • Or you might have deep and creative ideas about the nature of space and time or high-temperature superconductivity.
  • If confirmed, it would be the second major superconductivity advance in a week.
  • superconductivity is the ability of a substance to carry electricity without resistance.
British Dictionary definitions for superconductivity

superconductivity

/ˌsuːpəˌkɒndʌkˈtɪvɪtɪ/
noun
1.
(physics) the property of certain substances that have no electrical resistance. In metals it occurs at very low temperatures, but higher temperature superconductivity occurs in some ceramic materials
Derived Forms
superconduction (ˌsuːpəkənˈdʌkʃən) noun
superconductive, superconducting, adjective
superconductor, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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superconductivity in Science
superconductivity
  (s'pər-kŏn'dŭk-tĭv'ĭ-tē)   
The ability of certain metals or alloys to conduct an electric current with almost no resistance. Superconductivity usually occurs close to absolute zero, at temperatures approaching -459.67°F (-273.15°C), but has also been observed at temperatures as high as -200°F (-128.88°C).

superconductor noun
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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superconductivity in Culture
superconductivity [(sooh-puhr-kon-duk-tiv-uh-tee)]

A property of materials by which their electrical resistance goes to zero, and they acquire the ability to carry electric current with no losses whatsoever.

Note: Formerly, materials showed superconductivity only near absolute zero, but new materials have been found that are superconducting at much higher temperatures.
superconductivity [(sooh-puhr-kon-duk-tiv-uh-tee)]

A property of some materials in which their electrical resistance drops to zero, and they acquire the ability to carry electric current with no loss of energy whatsoever. Formerly, materials developed superconductivity only at temperatures near absolute zero, but new materials have been found that remain superconductive at temperatures above those of liquid nitrogen. The goal of current research is to find a material that remains superconductive at room temperature.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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