Standard Lemma guide

capacitor

noun · 2 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.

  • Received-Pronunciation: /kəˈpæ.sɪ.tə/
  • General-American: /kəˈpæ.sə.tɚ/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: K AH0 P AE1 S AH0 T ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An electronic component capable of storing electrical energy in an electric field; especially one consisting of two conductors separated by a dielectric.

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

2

noun

Meaning 2

an electrical device characterized by its capacity to store an electric charge

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: capacitance, condenser, electrical condenser

Antonyms: none provided

Broader terms: electrical device

Narrower terms: bypass condenser, bypass capacitor, electrolytic, electrolytic capacitor, electrolytic condenser, Leiden jar, Leyden jar, trimmer, trimming capacitor

History

Etymology

From capacity + -or. Capacitor replaced the term condenser (coined by Alessandro Volta in 1782) to disambiguate it from steam condenser. The coiner is unknown but the change was recommended in 1926 by British Standard Glossary of Terms in Electrical Engineering.

Across languages

Translations

69 source translations are retained for this English entry.

  • Arabic: مُكَثِّف (mukaṯṯif) — electronic component
  • Arabic: مُكَثِّفَة (mukaṯṯifa) — electronic component
  • Armenian: կոնդենսատոր (kondensator) — electronic component
  • Armenian: էլեկտրակուտակիչ (ēlektrakutakičʻ) — electronic component
  • Asturian: condensador — electronic component
  • Asturian: capacitor — electronic component
  • Azerbaijani: kondensator — electronic component
  • Basque: kondentsadore — electronic component
  • Bulgarian: кондензатор (kondenzator) — electronic component
  • Catalan: condensador — electronic component
  • Chinese Mandarin: 電容器 /电容器 (diànróngqì) — electronic component
  • Crimean Tatar: kondensator — electronic component
  • Czech: kondenzátor — electronic component
  • Danish: kondensator — electronic component
  • Danish: kapacitor — electronic component
  • Dutch: condensator — electronic component
  • Esperanto: kondensilo — electronic component
  • Estonian: kondensaator — electronic component
  • Finnish: kondensaattori — electronic component
  • French: condensateur — electronic component
  • Galician: condensador — electronic component
  • Georgian: კონდესატორი (ḳondesaṭori) — electronic component
  • German: Kondensator — electronic component
  • Greek: πυκνωτής (pyknotís) — electronic component
  • Hebrew: קַבָּל (kabal) — electronic component
  • Hindi: संधारित्र (sandhāritra) — electronic component
  • Hindi: कंडेनसर (kaṇḍensar) — electronic component
  • Hindi: कैपेसिटर (kaipesiṭar) — electronic component
  • Hungarian: kondenzátor — electronic component
  • Icelandic: þéttir — electronic component
  • Icelandic: rafþéttir — electronic component
  • Icelandic: rafmagnsþéttir — electronic component
  • Ido: kondensatoro — electronic component
  • Indonesian: kapasitor — electronic component
  • Indonesian: kondensator — electronic component
  • Irish: toilleoir — electronic component
  • Italian: condensatore — electronic component
  • Japanese: コンデンサ (kondensa) — electronic component
  • Japanese: キャパシタ (kyapashita) — electronic component
  • Khmer: កុងដង់សាទ័រ (kŏngdângsatôr) — electronic component
  • Korean: 커패시터 (keopaesiteo) — electronic component
  • Korean: 캐패시터 (kaepaesiteo) — electronic component
  • Korean: 축전기 (chukjeon'gi) — electronic component
  • Korean: 캡 (kaep) — electronic component
  • Latvian: kondensators — electronic component
  • Lithuanian: kondensatorius — electronic component
  • Macedonian: кондензатор (kondenzator) — electronic component
  • Māori: pūnga iahiko — electronic component
  • Norwegian Bokmål: kondensator — electronic component
  • Norwegian Nynorsk: kondensator — electronic component
  • Persian: خازن (xâzen) — electronic component
  • Polish: kondensator — electronic component
  • Portuguese: condensador — electronic component
  • Portuguese: capacitor — electronic component
  • Romanian: condensator — electronic component
  • Russian: конденса́тор (kondensátor) — electronic component
  • Serbo-Croatian: кондензатор — electronic component
  • Serbo-Croatian: капацитор — electronic component
  • Serbo-Croatian: kondenzator — electronic component
  • Serbo-Croatian: kapacitor — electronic component
  • Slovak: kondenzátor — electronic component
  • Slovene: kondenzator — electronic component
  • Spanish: condensador — electronic component
  • Spanish: capacitor — electronic component
  • Swedish: kondensator — electronic component
  • Tagalog: panlulan — electronic component
  • Thai: คาปาซิเตอร์ (kahpahsituh) — electronic component
  • Turkish: kondansatör — electronic component
  • Vietnamese: tụ điện — electronic component