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[kon-duhk-tiv-i-tee] /ˌkɒn dʌkˈtɪv ɪ ti/
noun, plural conductivities.
Physics. the property or power of conducting heat, electricity, or sound.
Also called specific conductance. Electricity. a measure of the ability of a given substance to conduct electric current, equal to the reciprocal of the resistance of the substance. Symbol: σ.
Origin of conductivity
1830-40; conductive + -ity Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for conductivity
  • Second, they study how the electrical conductivity of a molecule is affected by stretching.
  • The latest research is instead based on the plume's electrical conductivity.
  • Water increases the conductivity of the air and so increases the intensity of the discharge.
  • The low thermal conductivity of the polyester blocked his body heat from reaching the sensor.
  • Many e-textiles use silver-coated yarn for its conductivity value.
  • Chloride and conductivity probes sense the same flow stream at the rear of the vehicle.
  • It has the big resistance on the verge of electric conductivity and the big thermal speed.
  • Portable electronic devices are being evaluated for measuring nerve conductivity.
  • Semiconductor-grade silicon must be ultrapure before doping, or adding tiny amounts of impurities to change its conductivity.
  • Most scientists sought a solution by first creating a thin film from vaporized metals and then testing the films for conductivity.
British Dictionary definitions for conductivity


noun (pl) -ties
Also called conduction. the property of transmitting heat, electricity, or sound
  1. a measure of the ability of a substance to conduct electricity; the reciprocal of resistivity
  2. in the case of a solution, the electrolytic conductivity is the current density divided by the electric field strength, measured in siemens per metre Formerly called specific conductance
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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conductivity in Medicine

conductivity con·duc·tiv·i·ty (kŏn'dŭk-tĭv'ĭ-tē)

  1. The ability or power to conduct or transmit heat, electricity, or sound.

  2. The ability of a body structure to transmit an electric impulse, especially the ability of a nerve to transmit a wave of excitation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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conductivity in Science
  1. The ability to transfer heat, electricity, or sound by conduction.

  2. See conductance.

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