Definition of infection in English:


Syllabification: in·fec·tion
Pronunciation: /inˈfekSHən


  • 1The process of infecting or the state of being infected: strict hygiene will limit the risk of infection
    More example sentences
    • This causes the skin to blister on contact, which can result in infection, sepsis, and death.
    • When possible, urinary catheters should be avoided to minimise the risk of infection.
    • It can also help to reduce the inflammation and infection associated with acne.
  • 1.1An infectious disease: a chest infection
    More example sentences
    • The rate of shedding is much lower for infections caused by herpes simplex virus type 1.
    • When they do happen, they are similar to other viral infections such as glandular fever.
    • If the virus is cleared with treatment, you are not immune to future infections with hepatitis C.
  • 1.2 Computing The presence of a virus in, or its introduction into, a computer system.
    More example sentences
    • We are our own worst enemies when it comes to infection with computer viruses, but lessons do seem to be being learned.
    • NTL hopes to shepherd users with virus infection to special websites to help them clean their computer.
    • Once your system is patched you should update your antivirus software and run it to detect and remove virus infection.


late Middle English: from late Latin infectio(n-), from Latin inficere 'dip in, taint' (see infect).

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elaborate ornamentation of a vocal melody