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virus

noun [C] (COMPUTER PROBLEM)
 
 
/ˈvaɪə.rəs/ US  /ˈvaɪ-/

Definition

B1 a computer program or part of a computer program that can make copies of itself and is intended to prevent the computer from working normallyComputer programming and software
(Definition of virus noun (COMPUTER PROBLEM) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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