Meaning of “anti-virus” in the English Dictionary

"anti-virus" in British English

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anti-virusadjective [ before noun ]

uk /ˌæn.tiˈvaɪə.rəs/ us /ˌæn.t̬iˈvaɪ.rəs/

produced and used to protect the main memory of a computer against infection by a virus:

anti-virus software/programs
an anti-virus company/product/package

(Definition of “anti-virus” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"anti-virus" in Business English

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anti-virusadjective [ before noun ]

uk /ˌæntiˈvaɪərəs/ us /ˌæntaɪ-/ abbreviation AV IT

also antiviral protecting against computer viruses:

Update your anti-virus software regularly.
an anti-virus program/tool/utility
anti-virus protection

involved in the production of products that protect against computer viruses:

Anti-virus companies have been tracking the virus.

(Definition of “anti-virus” from the Cambridge Business English Dictionary © Cambridge University Press)