dielectric

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dielectric

  • /ˌdaɪ.ɪˈlɛk.tɹɪk/ UK, US
  • /ˌdaɪ.əˈlɛk.tɹɪk/ UK, US

Where it comes from

From dia- (“through”) + electric.

Learned 19th-century formation, coined by William Whewell (died 1866).

noun dielectrics

  1. An electrically insulating or nonconducting material considered for its electric susceptibility, i.e. its property of polarization when exposed to an external electric field.

    Similar: insulator

adjective more dielectric · most dielectric

  1. insulating

Thesaurus

Closest in meaning: insulator, nonconductor, capacitor, insulation, insulating, nonconductive, nonconducting, superinsulator, insulative, isolator, isolation, isolating, nonmetallic, dielectric absorption, dielectric constant, susceptibility

Translations

Every language

noun physics: nonconducting material

Españoldieléctrico
日本語誘電体 yūdentai
中文電介質 /电介质 diànjièzhì, 電介質材料 /电介质材料 diànjièzhìcáiliào
हिन्दीपरावैद्युत parāvaidyut
Portuguêsdielétrico
DeutschDielektrikum
Italianodielettrico
Românădielectric
Русскийдиэле́ктрик dieléktrik
Tiếng Việtđiện môi

adj electrically insulating

中文介電的 /介电的 jièdiàn de, 具有介電性的 /具有介电性的 jùyǒu jièdiànxìng de
Portuguêsdielétrico
Françaisdiélectrique
Deutschdielektrisch
Русскийдиэлектри́ческий dielektríčeskij

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Cite this
MLA

"dielectric." Wiktionary, via Micwyn, micwyn.com/word/dielectric. Accessed 6 Nov. 2026.

APA

dielectric. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/dielectric

Chicago

"dielectric." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/dielectric.

BibTeX
@misc{dielectric_2026,
  title = {dielectric},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/dielectric},
  urldate = {2026-11-06}
}