Definition of virus in English:
virus
Translate virus into Spanish
noun
1An infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
‘the hepatitis B virus’- ‘a virus infection’
- ‘Virtually all pathogenic bacteria, viruses and fungi are anaerobic and will be killed by hydrogen peroxide.’
- ‘The evolution of a virus within a host has been shown to be strongly influenced by its environment.’
- ‘Bacteriophages are viruses that infect bacteria.’
- ‘Herpes and other viruses come with protein tool kits of their own.’
- ‘It may be difficult to recognize the virus within the cells due to the presence of similar sized ribosomes.’
- ‘Bacteria and some viruses multiply and mutate rapidly, and can evolve much more quickly than we can develop new drugs to fight them.’
- ‘A large number of viruses emerge from the host cell before it dies.’
- ‘White blood cells chase bacteria and viruses, preventing us from getting sick.’
- ‘Leucodepletion also reduces transmission rates of other cell associated viruses such as cytomegalovirus.’
- ‘Most cases of bronchitis are caused by viruses.’
- ‘Antibiotic overuse can lead to antibiotic-resistant viruses.’
- ‘Genetic sequencing found the viruses in the two men to be nearly identical.’
- ‘ Viruses reproduce as they infect animals and people.’
- ‘Deer mice were determined to be the main carriers of the virus.’
- ‘She explores the devastating impacts of the Ebola virus in her latest documentary.’
- ‘The virus can be transmitted through direct contact with the blood or secretions of an infected person.’
- ‘The new drugs could even destroy the virus.’
- ‘She now believes that she was a victim of the Zika virus after being bitten by a mosquito.’
- ‘West Nile virus is endemic in this area.’
- ‘Mosquitoes typically become carriers of the virus after feeding on an infected bird.’
- 1.1An infection or disease caused by a virus.‘I've had a virus’
- ‘They think it was a virus and he's now been told to get plenty of rest.’
- ‘She is suffering from a nasty virus which could jeopardise her place in the final.’
- ‘She has been laid low by a virus which she has not been able to shake off with antibiotics.’
- ‘She was struck down by a nasty virus.’
- ‘He has also been suffering from a virus for the last two weeks.’
- ‘She was found to be suffering from a minor virus.’
- ‘Malcolm manages to convince Claire that she has a virus.’
- ‘I had a virus two years back where I vomited for 3 weeks straight.’
- ‘He had a bad virus so he missed another week on the back of that.’
- ‘He is reportedly suffering from a stomach virus.’
- ‘I'm still not sure if I might have had a mild virus or something.’
- ‘He had a stomach virus and sat on the bench but did not play.’
- 1.2A harmful or corrupting influence.
- ‘the virus of cruelty that is latent in all human beings’
2
(also computer virus)A piece of code that is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.‘How do you stop a virus from spreading and infecting other computers?’- ‘Anyone who has been hit by a computer virus will be doubly wary of unexpected emails in the future that may contain viruses.’
- ‘So Thomas decided to exact revenge by surreptitiously placing a vicious computer virus on Scott's machine which destroyed his hard drive.’
- ‘Specifically, it aims to help businesses understand and protect against the most common IT-related risks, such as viruses.’
- ‘I have never had an issue with viruses on my computer.’
- ‘He said there was nothing wrong with the laptop, it just had a virus.’
- ‘ Viruses and malware are always a threat.’
- ‘Most virus and malware threats exploit security holes in outdated versions of popular software.’
- ‘Criminals infect computers with a virus called ransom-ware - which basically kidnaps files and holds them hostage. ’
- ‘Sometimes USB devices infect your computer with deadly viruses.’
- ‘These are often just spam links which could infect your computer with viruses .’
- ‘Installing the patch is one way to secure computers against the virus .’
- ‘The company has signed a $32 million deal to protect government agencies from online viruses and hacking attempts.’
- ‘When a virus infects your computer , it makes the machine's performance slow down greatly.’
- ‘To prevent malware like viruses from infecting your computer, you may want to look into security measures such as purchasing antivirus software.’
- ‘Very frequently, the cause of a slow computer is simply a virus.’
- ‘Sometimes a virus even "hides" in a flash drive and is unknowingly transferred to a PC.’
- ‘Investigators traced the virus to an email address registered to an apartment in Manila.’
- ‘Viruses can scan your computer hard drive for banking credentials.’
- ‘The virus encrypts data on hard drives until a ransom is paid.’
Pronunciation
Origin
Late Middle English (denoting the venom of a snake): from Latin, literally ‘slimy liquid, poison’. The earlier medical sense, superseded by the current use as a result of improved scientific understanding, was ‘a substance produced in the body as the result of disease, especially one capable of infecting others’.
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