Standard Lemma guide

defibrillator

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.

  • UK: /diːˈfɪbɹɪˌleɪtə(ɹ)/
  • US: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: D IY0 F IH1 B R IH0 L EY2 T ER0 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An electronic device used internally or externally that delivers a controlled electric shock to a patient to correct ventricular fibrillation, a lack of coordination of the contraction of muscle tissue of the large chambers of the heart.

Definition source: English Wiktionary via Wiktextract

Topics: cardiology, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: electronic device

History

Etymology

Etymology tree English defibrillate Old French -eorbor. Middle English -our Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -torlbor. English -or English defibrillator From defibrillate + -or.

Across languages

Translations

30 source translations are retained for this English entry.

  • Arabic: مُزِيلُ رَجَفَان (muzīlu rajafān) — device
  • Armenian: դեֆիբրիլյատոր (defibrilyator) — device
  • Catalan: desfibril·lador — device
  • Chinese Mandarin: 除顫器 /除颤器 (chúchànqì) — device
  • Chinese Mandarin: 去顫器 /去颤器 (qùchànqì) — device
  • Czech: defibrilátor — device
  • Danish: hjertestarter — device
  • Finnish: sydäniskuri — device
  • Finnish: defibrillaattori — device
  • French: défibrillateur — device
  • German: Defibrillator — device
  • Greek: απινιδωτής (apinidotís) — device
  • Hebrew: דֵּפִיבְּרִילָטוֹר (defibrilátor) — device
  • Hungarian: defibrillátor — device
  • Icelandic: hjartastillir — device
  • Indonesian: defibrilator — device
  • Irish: dífhibrileoir — device
  • Italian: defibrillatore — device
  • Japanese: 除細動器 (josaidōki) — device
  • Korean: 제세동기 (jesedonggi) — device
  • Polish: defibrylator — device
  • Polish: pastuch — device
  • Portuguese: desfibrilador — device
  • Romanian: defibrilator — device
  • Russian: дефибрилля́тор (defibrilljátor) — device
  • Slovak: defibrilátor — device
  • Spanish: desfibrilador — device
  • Swedish: hjärtstartare — device
  • Turkish: defibrilatör — device
  • Ukrainian: дефібрилятор (defibryljator) — device