virus

UK /ˈvaɪ.ɹəs/ US /ˈvaɪ.ɹəs/
noun 5verb 1

Definitions

noun

1

A submicroscopic, non-cellular structure that consists of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and that sometimes causes disease in the host organism (such agents are often classe

Viruses are the smallest and most simplified forms of life.

Bats host many high-profile viruses that can infect humans, including severe acute respiratory syndrome and Ebola.

2

A submicroscopic, non-cellular structure that consists of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and that sometimes causes disease in the host organism (such agents are often classe

Meronym: virion (individual particle)

Some viruses, such as norovirus, cause sporadic outbreaks of gastroenteritis.

3

A submicroscopic, non-cellular structure that consists of a core of DNA or RNA surrounded by a protein coat, that requires a living host cell to replicate, and that sometimes causes disease in the host organism (such agents are often classe

Under electron microscopy, a few viruses were seen floating near the cells.

4

A quantity of such infectious agents, considered en masse.

Not much virus was detectable on a nucleic acid test; the viral load was very low.

Unless professionally inspected, they [plants] may also carry along unseen pests and diseases (particularly small insects and microbes such as virus or bacteria) whose populations might explode catastrophically in new locations.

5

A disease caused by such an infectious agent; a viral illness.

He's got a virus and had to stay home from school.

verb

1

To send or infect an electronic device with a computer virus.

I'm just going to virus anyone who tries cheating on this game.

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