Standard Lemma guide

dielectric

adj · noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK, US: /ˌdaɪ.ɪˈlɛk.tɹɪk/
  • UK, US: /ˌdaɪ.əˈlɛk.tɹɪk/
  • US: Recorded audio is listed in the source snapshot.
  • Australia: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: D AY2 AH0 L EH1 K T R IH0 K Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

insulating

Definition source: English Wiktionary via Wiktextract

Qualifier: electrically

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

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

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a material such as glass or porcelain with negligible electrical or thermal conductivity

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: insulator, nonconductor

Antonyms: none provided

Broader terms: material, stuff

Narrower terms: bushing, mineral wool, rock wool, glass wool

History

Etymology

From dia- (“through”) + electric. Learned 19th-century formation, coined by William Whewell (died 1866).

Across languages

Translations

41 source translations are retained for this English entry.

  • Bulgarian: изолационен (izolacionen) — electrically insulating
  • Chinese Mandarin: 介電的 /介电的 (jièdiàn de) — electrically insulating
  • Chinese Mandarin: 具有介電性的 /具有介电性的 (jùyǒu jièdiànxìng de) — electrically insulating
  • Wu Chinese: 介電個 /介电个 (cia5 di6 gheh8) — electrically insulating
  • Wu Chinese: 有介電性個 /有介电性个 (yeu6 cia5 di6 shin5 gheh8) — electrically insulating
  • Czech: dielektrický — electrically insulating
  • Danish: dielektrisk — electrically insulating
  • Finnish: eristävä — electrically insulating
  • Finnish: eriste- — electrically insulating
  • Finnish: dielektrinen — electrically insulating
  • French: diélectrique — electrically insulating
  • German: dielektrisch — electrically insulating
  • Norwegian Bokmål: dielektrisk — electrically insulating
  • Norwegian Nynorsk: dielektrisk — electrically insulating
  • Polish: dielektryczny — electrically insulating
  • Portuguese: dielétrico — electrically insulating
  • Russian: диэлектри́ческий (dielektríčeskij) — electrically insulating
  • Swedish: dielektrisk — electrically insulating
  • Bulgarian: изолатор (izolator) — physics: nonconducting material
  • Catalan: dielèctric — physics: nonconducting material
  • Chinese Mandarin: 電介質 /电介质 (diànjièzhì) — physics: nonconducting material
  • Chinese Mandarin: 電介質材料 /电介质材料 (diànjièzhìcáiliào) — physics: nonconducting material
  • Wu Chinese: 電介質 /电介质 — physics: nonconducting material
  • Wu Chinese: 電介質材料 /电介质材料 — physics: nonconducting material
  • Czech: dielektrikum — physics: nonconducting material
  • Danish: dielektrikum — physics: nonconducting material
  • Finnish: eriste — physics: nonconducting material
  • Finnish: dielektri — physics: nonconducting material
  • German: Dielektrikum — physics: nonconducting material
  • Hindi: परावैद्युत (parāvaidyut) — physics: nonconducting material
  • Italian: dielettrico — physics: nonconducting material
  • Japanese: 誘電体 (yūdentai) — physics: nonconducting material
  • Polish: dielektryk — physics: nonconducting material
  • Portuguese: dielétrico — physics: nonconducting material
  • Romanian: dielectric — physics: nonconducting material
  • Russian: диэле́ктрик (dieléktrik) — physics: nonconducting material
  • Spanish: dieléctrico — physics: nonconducting material
  • Swedish: dielektrikum — physics: nonconducting material
  • Tagalog: disaluyan — physics: nonconducting material
  • Turkmen: dielektrik — physics: nonconducting material
  • Vietnamese: điện môi — physics: nonconducting material
Real reading context

dielectric in complete knowledge articles