virion

noun
vi·​ri·​on | \ ˈvī-rē-ˌän How to pronounce virion (audio) , ˈvir-ē- How to pronounce virion (audio) \

Definition of virion

: 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 infectious form of a virus

Examples of virion in a Sentence

Recent Examples on the Web Just last week, Anthony Fauci, director of the Institute of Allergy and Infectious Disases at the National Institutes of Health, donated his personal 3-D model of the SARS-CoV-2 virion to the museum. Roger Catlin, Smithsonian Magazine, 9 Mar. 2021 There’s a difference between a single virion and a vapor cloud containing virions. Ann Norman, cleveland, 23 Oct. 2020 After all, the authorities have been telling us for weeks that the virions are everywhere. Pooja Bhatia, SFChronicle.com, 22 Apr. 2020 For example, bacteria can prevent influenza virus infection by binding or trapping them directly or by producing metabolites that decrease the stability of influenza virions. Michelle Sconce Massaquoi, The Conversation, 3 Mar. 2020 One piece might be necessary for making essential viral enzymes, for instance, while the other would be needed to make the capsule in which the viral particles (or virions) are packaged and transported to other cells. Quanta Magazine, 21 May 2019 This undated electron microscope image made available by the Centers for Disease Control and Prevention shows human immunodeficiency virus particles (virions). Washington Post, 1 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'virion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of virion

1959, in the meaning defined above

History and Etymology for virion

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

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Dictionary Entries Near virion

virilocal

virion

virl

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Cite this Entry

“Virion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/virion. Accessed 21 Jan. 2022.

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More Definitions for virion

virion

noun
vi·​ri·​on | \ ˈvī-rē-ˌän How to pronounce virion (audio) , ˈvir-ē- How to pronounce virion (audio) \

Medical Definition of virion

: 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 infectious form of a virus

More from Merriam-Webster on virion

Britannica.com: Encyclopedia article about virion

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