Word.ws English Dictionary

insulator

/ˈɪn.s(j)ə.leɪ.tə(ɹ)/

insulator noun: a substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).

insulator: a substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or...
Image: Hiuppo, CC BY-SA 2.5, via Wikimedia Commons

Noun

insulator (plural insulators)

  1. A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).
    Synonyms:
    insulant
  2. A non-conductive structure, coating or device that does not transmit sound, heat or electricity (see image)
    • To isolate electrical wires from the pylons supporting them, one often uses glass insulators.
  3. A person who installs insulation.
    • Alan Vasen worked as an insulator at this site from September 1968 through mid-April 1969. Mr. Vasen installed thousands of lineal feet of asbestos pipe covering and thousands of square feet of asbestos block insulation throughout the operating units of the Benicia refinery.2007, Kenneth S. Cohen, Expert Witnessing and Scientific Testimony: Surviving in the Courtroom

insulator meaning in Hindi, Tamil, Urdu and Malayalam

insulator in Hindi

insulator
विद्युतरोधी vidyutrodhī

insulator in Tamil

மின்கடத்தாப் பொருள், கண்ணாடி, பீங்கான், மைகா போன்றவை மின்சாரத்தைக் கடத்துவதில்லை

insulator in Urdu

حاجز, محافظ

insulator in Malayalam

substance
കുചാലകം kucālakaṁ
More languagesFewer languages
insulator in Kannada
ಮಿನ್ತಡಕ, ಮಿಂದಡೆ
insulator in Gujarati
વીજરખું vījarkhũ
insulator in Tagalog
pambukod
insulator in Malay
penebat
insulator in Indonesian
isolator
insulator in Thai
ฉนวน chànŭan
insulator in Vietnamese
chất cách điện

Examples of insulator in a sentence

  • Furthermore, the quantum thin film of germancite is found to be an intrinsic quantum spin Hall insulator.
  • McIntire said, he was trying to develop a rubberlike polymer to be used as a flexible insulator.
  • Our results suggest that the thermotransport measurements could be used for the characterization of state transition in topological insulators..

All 10 example sentences with insulator

Synonyms of insulator

Antonyms

Forms of insulator

pluralinsulators

Plural of insulator: insulators

Origin of insulator

From insulate + -or.

Words formed from insulator

Questions about insulator

What does insulator mean?
Insulator means a substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).
What is insulator in Hindi?
Insulator in Hindi is विद्युतरोधी (vidyutrodhī). See Insulator meaning in Hindi.
What part of speech is insulator?
Insulator is a noun.
How do you pronounce insulator?
Insulator is pronounced /ˈɪn.s(j)ə.leɪ.tə(ɹ)/.
What is the plural of insulator?
The plural of insulator is insulators.

Words near insulator in the dictionary

  1. insulationism
  2. insulationist
  3. insulationists
  4. insulations
  5. insulative
  6. insulator
  7. insulators
  8. insulatory
  9. insulin
  10. insulin analogue
  11. insulin analogues

Source and license

Adapted from Wiktionary: insulator (page history and authors); विद्युतरोधी (Hindi) (page history and authors); insulator (Tamil Wiktionary) (page history and authors); insulator (Urdu Wiktionary) (page history and authors); insulator (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-insulator.wav.

Cite this entry: “insulator.” Word.ws, https://word.ws/insulator. Based on Wiktionary, CC BY-SA 4.0.