virion

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noun vi·ri·on \ˈvī-rē-ˌän, ˈvir-ē-\

Definition of virion

  1. :  a complete virus particle that consists of an RNA or DNA core with a protein coat sometimes with external envelopes and that is the extracellular infective form of a virus

Origin and Etymology of virion

French, from virien viral (from virus virus) + -on 2-on


First Known Use: 1959


Medical Dictionary

virion

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noun vi·ri·on \ˈvī-rē-ˌän, ˈvir-ē-\

Medical Definition of virion

  1. :  a complete virus particle that consists of an RNA or DNA core with a protein coat sometimes with external envelopes and that is the extracellular infective form of a virus


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