dielectric

noun

di·​elec·​tric ˌdī-ə-ˈlek-trik How to pronounce dielectric (audio)
: a nonconductor of direct electric current
dielectric adjective

Examples of dielectric in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The internal cabling has been upgraded, with a polyethylene dielectric and Linear Crystal Oxygen Free Copper conductors for optimal signal transfer. Mark Sparrow, Forbes, 1 Nov. 2024 There are several types of dielectric used in advanced CMOS and several steps that involve etching it away. IEEE Spectrum, 25 May 2023

Word History

Etymology

dia- + electric

First Known Use

1837, in the meaning defined above

Time Traveler
The first known use of dielectric was in 1837

Browse Nearby Words

Cite this Entry

“Dielectric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dielectric. Accessed 9 Sep. 2025.

Medical Definition

dielectric

noun
di·​elec·​tric ˌdī-i-ˈlek-trik How to pronounce dielectric (audio)
: a nonconductor of direct electric current
dielectric adjective

More from Merriam-Webster on dielectric

Last Updated: - Updated example sentences
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