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Definition of virus noun from the Oxford Advanced American Dictionary

      

    virus

     noun
    noun
    NAmE//ˈvaɪrəs//
     
     
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  1. 1a living thing, too small to be seen without a microscope, that causes infectious disease in people, animals, and plants the flu virus a virus infection Topic CollocationsThe Living Worldanimals
    • animals mate/breed/reproduce/feed (on something)
    • fish/amphibians swim/spawn (= lay eggs)
    • birds fly/migrate/nest/sing
    • insects crawl/fly/bite/sting
    • insects/bees/locusts swarm
    • bees collect/gather nectar/pollen
    • spiders spin/weave a web
    • snakes/lizards shed their skins
    • bears/hedgehogs/frogs hibernate
    • insect larvae grow/develop/pupate
    • an egg/a chick/a larva hatches
    • attract/find/choose a mate
    • produce/release eggs/sperm
    • lay/fertilize/incubate/hatch eggs
    • inhabit a forest/a reef/the coast
    • mark/enter/defend (a) territory
    • stalk/hunt/capture/catch/kill prey
    plants and fungi
    • trees/plants grow/bloom/blossom/flower
    • a seed germinates/sprouts
    • leaves/buds/roots/shoots appear/develop/form
    • flower buds swell/open
    • a fungus grows/spreads/colonizes something
    • pollinate/fertilize a flower/plant
    • produce/release/spread/disperse pollen/seeds/spores
    • produce/bear fruit
    • develop/grow/form roots/shoots/leaves
    • provide/supply/absorb/extract/release nutrients
    • perform/increase/reduce photosynthesis
    bacteria and viruses
    • bacteria/microbes/viruses grow/spread/multiply
    • bacteria/microbes live/thrive in/on something
    • bacteria/microbes/viruses evolve/colonize something/cause disease
    • bacteria break something down/convert something (into something)
    • a virus enters/invades something/the body
    • a virus mutates/evolves/replicates (itself)
    • be infected with/contaminated with/exposed to a new strain of a virus/drug-resistant bacteria
    • contain/carry/harbor bacteria/a virus
    • kill/destroy/eliminate harmful/deadly bacteria
  2. 2(informal) a disease caused by a virus There's a virus going around the office.
  3. 3instructions that are hidden within a computer program and are designed to cause faults or destroy data The virus in the software was programmed to corrupt the hard disk. Topic CollocationsE-mail and the Internete-mail
    • receive/get/open an e-mail
    • write/send/answer/forward/delete an e-mail
    • check/read/access your e-mail
    • block/filter (out) junk/spam/unsolicited e-mails
    • exchange e-mail addresses
    • open/check your inbox
    • junk mail fills/floods/clogs your inbox
    • have/set up an e-mail account
    • open/send/contain an attachment
    • sign up for/receive e-mail alerts
    connecting to the Internet
    • use/access/log onto the Internet/the Web
    • go online/on the Internet
    • have a high-speed/dial-up/broadband/wireless (Internet) connection
    • access/connect to/locate a server
    • use/open/close/launch a/your Web browser
    • browse/surf/search/scour the Internet/the Web
    • send/contain/spread/detect a (computer/e-mail) virus
    • update your anti-virus software
    • install/use/configure a firewall
    • accept/enable/block/delete cookies
    using the Internet
    • visit/check a Web site/an Internet site/somebody's blog
    • create/design/launch a Web site/social networking site
    • start/write/post/read/follow a blog
    • update your blog/a Web site
    • be in/meet somebody in/go into/enter an Internet chat room
    • download/upload music/software/a song/a podcast/a file/a copy of something
    • share information/data/files
    • post a comment/message on a Web site/on a message board/in a Web forum/in an Internet chat room
    • stream video/audio/music/content over the Internet
    • join/participate in/visit/provide a (Web-based/web/online/Internet/discussion) forum
    • generate/increase/monitor Internet traffic
    see viral
See virus in the Oxford Advanced Learner's Dictionary

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