virus

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virus /ˈvaɪrəs/ noun
plural viruses
virus
/ˈvaɪrəs/
noun
plural viruses
Learner's definition of VIRUS
[count]
: an extremely small living thing that causes a disease and that spreads from one person or animal to another
: a disease or illness caused by a virus : a viral disease
computers : a program that is designed to harm a computer by deleting data, ruining files, etc., and that can be spread secretly from one computer to another
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