conductivity
Americannoun
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conductivities
plural
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Physics. the property or power of conducting heat, electricity, or sound.
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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. σ
noun
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Also called: conduction. the property of transmitting heat, electricity, or sound
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κ.
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a measure of the ability of a substance to conduct electricity; the reciprocal of resistivity
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Formerly called: specific conductance. in the case of a solution, the electrolytic conductivity is the current density divided by the electric field strength, measured in siemens per metre
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Other Word Forms
Noun Inflected Forms
Etymology
Origin of conductivity
First recorded in 1830–40; conductive + -ity
Explanation
A material's conductivity is the extent that it allows an electric current to flow through it. Metal generally has high conductivity. In physics, the noun conductivity is used for the rate or degree that electricity, heat, or sound travels through something. So materials with high conductivity allow heat to flow quickly and completely through them. These substances are also known as conductors. Both words are rooted in the Latin conducere, "to lead or bring together."
Vocabulary lists containing conductivity
Lead the Way: Duc and Duct
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ACT Vocabulary List
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Chemistry - Introductory
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
For example, graphene and molybdenum dioxide nanoparticles are commonly used in gas sensors because their electrical conductivity changes when they absorb gases.
From Science Daily ● Jul. 11, 2026
It does have some more engineering problems than copper, including poorer conductivity, corrosion, and brittleness.
From Barron's ● Jun. 30, 2026
Tesla has been a leader in this trend, for instance, securing patents on aluminum alloys with high electrical conductivity External link.
From Barron's ● Jun. 30, 2026
These excitations are especially valuable because they help protect electrical conductivity from disruptive noise and interference.
From Science Daily ● May 13, 2026
Your sweat contains salts, which increase electrical conductivity.
From "Phineas Gage" by John Fleischman
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Although some perovskite-related dual-ion conducting materials such as Ba7Nb4MoO20 have been reported, their conductivities are not high enough for practical applications, and their underlying conducting mechanisms are not well understood.
From Science Daily ● Nov. 17, 2023
"The present findings of high conductivities and unique ion migration mechanisms in Ba7Nb3.8Mo1.2O20.1 will help the development of science and engineering of oxide-ion, proton, and dual-ion conductors," concludes a hopeful Prof. Yashima.
From Science Daily ● Nov. 17, 2023
The process involves changing the electrical conductivities of semiconductors such as silicon by adding impurities.
From Nature ● Jan. 21, 2020
Molten salts are used because they possess a number of beneficial properties, including high heat capacities and thermal conductivities.
From Textbooks ● Feb. 14, 2019
Other physical properties of these solutions, such as density, colour, optical rotatory power, &c., like the conductivities, are additive, i.e. can be calculated by adding together the corresponding properties of the parts.
From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.