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English definition of “infection”

infection

noun [C or U] uk   /ɪnˈfek.ʃən/ us  

infection noun [C or U] (DISEASE)

B2 a disease in a part of your body that is caused by bacteria or a virus: a serious infection a throat infection Bandage the wound to reduce the risk of infection.Bacteria, moulds, germs and virusesPassing on illness and causing disease

infection noun [C or U] (COMPUTERS)

an act of passing harmful programs into a computer or file, or the harmful programs themselves: You only have to open an attachment to pass the infection from computer to computer.
(Definition of infection from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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