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dielectric

[ dahy-i-lek-trik ]

noun

  1. a nonconducting substance; insulator.
  2. a substance in which an electric field can be maintained with a minimum loss of power.


adjective

  1. of or relating to a dielectric substance.

dielectric

/ ˌdaɪɪˈlɛktrɪk /

noun

  1. a substance or medium that can sustain a static electric field within it
  2. a substance or body of very low electrical conductivity; insulator
“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


adjective

  1. of, concerned with, or having the properties of a dielectric
“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

dielectric

/ dī′ĭ-lĕktrĭk /

Adjective

  1. Having little or no ability to conduct electricity, generally as a result of having no electrons that are free to move.


Noun

  1. A dielectric substance, especially one used in a capacitor to maintain an electric field between the plates.

dielectric

  1. A material that conducts ( see conduction ) electricity poorly or not at all. If a voltage is applied to a dielectric, the atoms in the material arrange themselves in such a way as to oppose the flow of electric current (see also current ). Glass, wood, and plastic are common dielectrics. ( See insulator .)


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Derived Forms

  • ˌdieˈlectrically, adverb
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Other Words From

  • die·lectri·cal·ly adverb
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Word History and Origins

Origin of dielectric1

First recorded in 1830–40; di- 3 + electric
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Word History and Origins

Origin of dielectric1

from dia- + electric
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Example Sentences

The ambient electric field has to be great enough to overwhelm the “dielectric breakdown strength” of air.

In our experiment, we used the dielectric resonator to generate a control field over an area that could contain up to four million qubits.

In our work we show that a component known as a dielectric resonator could finally allow this.

From Walden's work it appears that the dielectric constant finally determines the quantitative ionizing effect of a solvent.

What was really important was the sort of condensers made possible by a genuinely good dielectric material.

Numerically the specific inductive capacity of a dielectric is equal to the dielectric constant already mentioned.

The coefficient K is called the dielectric constant of the medium, and its value is taken as unity for air.

Take as example the chapter in which he explains electrostatic attractions by pressures and tensions in the dielectric medium.

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dieldrindielectric constant