Phrase guide

corona discharge

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

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No pronunciation record was provided for this word.

1

noun

Meaning 1

The ionization of air (or any other fluid) surrounding an electrically energized conductor, as a result of a strong electric field.

Definition source: English Wiktionary via Wiktextract

Topics: business, 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

2

noun

Meaning 2

an electrical discharge accompanied by ionization of surrounding atmosphere

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: corona, corposant, St. Elmo's fire, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, electric glow

Antonyms: none provided

Broader terms: discharge, spark, arc, electric arc, electric discharge

History

Etymology

No etymology was provided for this word.

Across languages

Translations

5 source translations are retained for this English entry.

  • Finnish: koronapurkaus — ionization of air surrounding an energized conductor
  • Hungarian: koronakisülés — ionization of air surrounding an energized conductor
  • Polish: ulot — ionization of air surrounding an energized conductor
  • Romanian: descărcare corona — ionization of air surrounding an energized conductor
  • Russian: коро́нный разря́д (korónnyj razrjád) — ionization of air surrounding an energized conductor