computer virus

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vi•rus

(ˈvaɪ rəs)

n., pl. -rus•es.
1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA or DNA core, a protein coat, and, in more complex types, a surrounding envelope.
2. a disease caused by a virus.
3. a corrupting influence on morals or the intellect; poison.
4. a segment of self-replicating code planted illegally in a computer program, often to damage or shut down a system or network.
[1590–1600; < Latin vīrus slime, poison; akin to ooze2]
vi′rus•like`, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.computer virus - a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computercomputer virus - a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer; "a true virus cannot spread to another computer without human assistance"
malevolent program - a computer program designed to have undesirable or harmful effects
Translations
فيروس كمبيوتر
számítógépes vírus
computervirus
počítačový vírus
References in periodicals archive ?
TELECOMWORLDWIRE--(C) 1994-8 M2 COMMUNICATIONS LTD PRODUCT:VIRUSSCAN V4 PLATFORM:PC/WINDOWS SUPPLIER:NETWORK ASSOCIATES/MCAFEE PRICE:VARIES ISBN:X This program is highly regarded within the anti-virus community for its ability to detect and eradicate nasty computer viri.

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