virus


virus
noun (plural viruses) Etymology: Latin, venom, poisonous emanation; akin to Greek ios poison, Sanskrit viṣa; in senses 2 & 4, from New Latin, from Latin Date: 1599 1. archaic venom 1 2. a. the causative agent of an infectious disease b. any of a large group of submicroscopic infective agents that are regarded either as extremely simple microorganisms or as extremely complex molecules, that typically contain a protein coat surrounding an RNA or DNA core of genetic material but no semipermeable membrane, that are capable of growth and multiplication only in living cells, and that cause various important diseases in humans, lower animals, or plants; also filterable virus c. a disease or illness caused by a virus 3. something that poisons the mind or soul <
the force of this virus of prejudice — V. S. Waters
>
4. a computer program that is usually hidden within another seemingly innocuous program and that produces copies of itself and inserts them into other programs and usually performs a malicious action (as destroying data)

New Collegiate Dictionary. 2001.

Synonyms:
(of a morbid nature),


Look at other dictionaries:

  • Virus nu — Virus Pour les articles homonymes, voir Virus (homonymie) …   Wikipédia en Français

  • VIRUS — Le terme « virus » signifie poison en latin; la notion est donc ancienne. Mais elle est restée sans contenu précis jusqu’à Pasteur. C’est avec la découverte d’agents à l’origine des infections, et l’observation au microscope des bactéries et des… …   Encyclopédie Universelle

  • VIRUS-T — Le Virus T est un virus fictif provenant de la série Resident Evil. Sa particularité est de transformer les êtres humains en zombies cannibales. Créé par Umbrella Corporation, le Virus T est un bactériophage T (virus n infectant que certaines… …   Wikipédia en Français

  • Virus-G — Virus T Le Virus T est un virus fictif provenant de la série Resident Evil. Sa particularité est de transformer les êtres humains en zombies cannibales. Créé par Umbrella Corporation, le Virus T est un bactériophage T (virus n infectant que… …   Wikipédia en Français

  • Virus-t — Le Virus T est un virus fictif provenant de la série Resident Evil. Sa particularité est de transformer les êtres humains en zombies cannibales. Créé par Umbrella Corporation, le Virus T est un bactériophage T (virus n infectant que certaines… …   Wikipédia en Français

  • virus — m. microb. Microorganismo que carece de estructura celular y que es considerado como la forma de vida más simple que se conoce. De tamaño comprendido entre los 300 mµ y 10 mµ solamente son visibles al microscopio electrónico. El virus, en su… …   Diccionario médico

  • ViRUS! — Datos generales Origen Zelenograd, Rusia Información artística …   Wikipedia Español

  • virus — VÍRUS, virusuri, s.n. Agent patogen, invizibil cu microscopul obişnuit, care se reproduce numai în interiorul celulelor vii şi provoacă diverse boli infecţioase; p. ext. toxina acestui agent. ♦ fig. Sursă a unui rău moral. [pl. şi: (m.) viruşi].… …   Dicționar Român

  • Virus D — war der Name einer überregional bekannten Deutschrockband von 1983 bis 2001. Inhaltsverzeichnis 1 Bandgeschichte 1.1 The Maries Odessa 1.2 Bundesrockpreis 1987 1.3 Erst …   Deutsch Wikipedia

  • virus — vi‧rus [ˈvaɪərəs ǁ ˈvaɪrəs] noun [countable] COMPUTING a set of instructions secretly put onto a computer, that can destroy or change information on the computer: • The virus had already destroyed data at several US companies. compare bug * * *… …   Financial and business terms

  • Virus — Vi rus, n. [L., a slimy liquid, a poisonous liquid, poison, stench; akin to Gr. ? poison, Skr. visha. Cf. {Wizen}, v. i.] 1. (Med.) Contagious or poisonous matter, as of specific ulcers, the bite of snakes, etc.; applied to organic poisons.… …   The Collaborative International Dictionary of English


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