Standard Lemma guide

contactor

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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  • General-American: /ˈkɑntæktɚ/
  • Received-Pronunciation: /ˈkɒntæktə/

1

noun

Meaning 1

A relay used to control an electrical power circuit

Definition source: English Wiktionary via Wiktextract

Topics: business, electrical, electrical-engineering, electricity, electromagnetism, 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

From contact + -or.

Across languages

Translations

12 source translations are retained for this English entry.

  • Finnish: kontaktori — relay used to control an electrical power circuit
  • German: Schütz — relay used to control an electrical power circuit
  • Hungarian: kontaktor — relay used to control an electrical power circuit
  • Italian: contattore — relay used to control an electrical power circuit
  • Polish: stycznik — relay used to control an electrical power circuit
  • Romanian: contactor — relay used to control an electrical power circuit
  • Romanian: releu de contactare — relay used to control an electrical power circuit
  • Romanian: releu contactor — relay used to control an electrical power circuit
  • Turkish: devre açıcı-kesici — relay used to control an electrical power circuit
  • Turkish: kontaktör — relay used to control an electrical power circuit
  • Vietnamese: khởi động từ — relay used to control an electrical power circuit
  • Vietnamese: cái tiếp xúc — relay used to control an electrical power circuit