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Added 9 October 2026

virion

/ˈvaɪɹiɑn/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about virion at Wordnik → Where our words come from →

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

Origin

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

From Wiktionary, via Kaikki.org (CC BY-SA)

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