Standard Lemma guide

virion

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.

  • General-American: /ˈvaɪɹiɑn/
  • General-American: /ˈvɪɹiɑn/
  • Received-Pronunciation: /ˈvaɪɹiən/
  • Received-Pronunciation: /ˈvɪɹiɒn/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɪɹiɒn
  • rhymes with -ɪɹiən

1

noun

Meaning 1

A single individual particle of a virus (the viral equivalent of a cell).

Definition source: English Wiktionary via Wiktextract

Topics: biology, microbiology, natural-sciences, virology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

(virology) a complete viral particle; nucleic acid and capsid (and a lipid envelope in some viruses)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: particle, subatomic particle

History

Etymology

From French virion. By surface analysis, virus + -on.

Across languages

Translations

12 source translations are retained for this English entry.

  • Chinese: 病毒体 (bìngdútǐ) — particle of a virus
  • Czech: virion — particle of a virus
  • Finnish: virioni — particle of a virus
  • French: virion — particle of a virus
  • German: Virion — particle of a virus
  • Hungarian: sejten kívüli vírusrészecske — particle of a virus
  • Hungarian: egyedülálló vírus — particle of a virus
  • Korean: 비리온 (birion) — particle of a virus
  • Polish: wirion — particle of a virus
  • Portuguese: vírion — particle of a virus
  • Portuguese: virião — particle of a virus
  • Spanish: virión — particle of a virus