Standard Lemma guide

varistor

noun · 1 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

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  • UK: /vɛəˈɹɪstə(ɹ)/
  • rhymes with -ɪstə(ɹ)

1

noun

Meaning 1

An electronic component having a variable resistance; used to protect circuits against power surges.

Definition source: English Wiktionary via Wiktextract

Topics: business, electrical-engineering, electricity, electromagnetism, electronics, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Blend of variable + resistor.

Across languages

Translations

5 source translations are retained for this English entry.

  • Finnish: varistori — electronic component with variable resistance
  • French: varistance — electronic component with variable resistance
  • German: Varistor — electronic component with variable resistance
  • Polish: warystor — electronic component with variable resistance
  • Romanian: varistor — electronic component with variable resistance