Meaning of “infection” in the English Dictionary

"infection" in British English

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infectionnoun [ C or U ]

uk /ɪnˈfek.ʃən/ us /ɪnˈfek.ʃən/

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.

More examples

  • The breathing problem has now been complicated by a chest infection.
  • White blood cells help defend the body against infection.
  • He's on antibiotics for an ear infection.
  • They tested her blood for signs of the infection.
  • If the infection is not checked it will probably spread to the upper body.

(Definition of “infection” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)