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[kuh n-duhk-tuh ns] /kənˈdʌk təns/
noun, Electricity
the conducting power, especially the power to conduct alternating current, of a conductor, equal to the real part of the admittance, and in a circuit with no reactance equal to the reciprocal of the resistance. Symbol: G.
Origin of conductance
1880-85; conduct + -ance Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for conductance
Historical Examples
  • As conductance is the reciprocal of resistance it is measured by the reciprocal ohm or mho.

    The Radio Amateur's Hand Book A. Frederick Collins
  • The exact correlative terms are resistance and conductance, resistivity and conductivity.

  • This rule may be understood better if we consider the conductance of the conductors in parallel.

    Physics Willis Eugene Tower
British Dictionary definitions for conductance


the ability of a system to conduct electricity, measured by the ratio of the current flowing through the system to the potential difference across it; the reciprocal of resistance. It is measured in reciprocal ohms, mhos, or siemens G
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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conductance in Medicine

conductance con·duc·tance (kən-dŭk'təns)

  1. A measure of a material's ability to conduct electric charge; the reciprocal of the resistance.

  2. The ease with which a fluid or gas enters and flows through a conduit, air passage, or respiratory tract.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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conductance in Science
  1. A measure of the ability of a material to carry electric current. For direct current, conductance is called conductivity and is equal to 1/R, where R is the resistance of the material. For alternating current, conductance is called admittance. Conductance is measured in mhos. See more at admittance.

  2. See thermal conductance.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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