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Meaning of “infect” in the English Dictionary

"infect" in British English

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infectverb [T]

uk   /ɪnˈfekt/ us   /ɪnˈfekt/
  • infect verb [T] (DISEASE)

C1 to pass a disease to a person, animal, or plant: The ward was full of children infected with TB. All the tomato plants are infected with a virus.
C2 If a place, wound, or substance is infected, it contains bacteria or other things that can cause disease: The meat had been infected by E coli bacteria.
  • infect verb [T] (COMPUTERS)

C1 to pass harmful programs from one computer to another, or within files in the same computer: A computer virus may lurk unseen in a computer's memory, calling up and infecting each of the machine's data files in turn.
(Definition of infect from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"infect" in American English

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infectverb [T]

us   /ɪnˈfekt/
to cause disease in someone by introducing organisms such as bacteria or viruses: Mosquitoes can infect people with malaria. fig. Fear of an attack infected the entire city.
infected
adjective [not gradable] us   /ɪnˈfek·tɪd/
an infected toe
infection
noun [C/U] us   /ɪnˈfek·ʃən/
[C] a sinus infection
(Definition of infect from the Cambridge Academic Content Dictionary © Cambridge University Press)

"infect" in Business English

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infectverb [T, often passive]

uk   /ɪnˈfekt/ us  
IT to damage a computer's software or data with a harmful program that has been passed from another computer: be infected by/with sth The hackers hijacked personal computers that had been previously infected by a virus. an infected website
to pass a disease to a person, animal, or plant: be infected by/with sth A lab worker had been infected with a potentially dangerous agent. There was an alarming report of meat from infected animals being sold to supermarkets.
(Definition of infect from the Cambridge Business English Dictionary © Cambridge University Press)
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“infect” in American English

“infect” in Business English

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