virus Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "virus" - English Dictionary

See all translations

virusnoun [C]

uk   /ˈvaɪə.rəs/  us   /ˈvaɪ-/

virus noun [C] (DISEASE)

B2 an extremely small piece of organic material that causes disease in humans, animals, and plants: a chickenpox/flu/herpes/mumps virus Evidence suggested that the AIDS virus was spreading very quickly among the heterosexual community.B2 a disease caused by a virus: I don't know exactly what's wrong with her - I think it's some sort of virus.
More examples

virus noun [C] (COMPUTER PROBLEM)

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 normally
More examples
(Definition of virus from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of virus?
Add Cambridge dictionaries to your browser to your website

Definitions of “virus” in other dictionaries

Word of the Day
meme

an idea, image, video, etc. that is spread very quickly on the internet

Word of the Day

July 4th, Bastille Day, and the language of revolution.
July 4th, Bastille Day, and the language of revolution.
by Liz Walter,
July 01, 2015
With America’s Independence Day on the 4th and France’s Bastille Day on the 14th, July certainly has a revolutionary theme, so this blog looks at words and phrases we use to talk about the dramatic and nation-changing events that these days celebrate. In particular, it focuses on one of the most important

Read More 

burger noun
burger noun
June 29, 2015
a menu on a computer screen comprising three short parallel horizontal lines which the user clicks to see options Definitely use a burger. You could put the settings in the burger menu too. Fix the settings to the bottom of the burger menu and use a vertically scrolling contact list that scrolls behind

Read More