virus; pathogen; computer virus
Meanings
2 senses · 7 examplesnoun
virus; pathogen smaller than bacteria
Refers to submicroscopic infectious agents that replicate only inside living cells of organisms. Capable of passing through filters that block bacteria (historically called 'filterable viruses'). Causes diseases such as smallpox, measles, influenza, and COVID-19.
This virus can cause severe respiratory disease.
Viruses can only be seen under an electron microscope.
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Smallpox is an infectious disease caused by a virus.
Viruses lack cellular structure but possess genetic characteristics.
noun
computer virus; malware
technicalMetaphorical extension referring to malicious software programs that self-replicate and corrupt computer systems, analogous to biological viruses.
My computer is infected with a virus and needs antivirus scanning.
Don't download files randomly to avoid getting infected with viruses.
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This virus steals users' personal information.