infection Definition in the Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “infection” - English Dictionary

Definition of "infection" - British English Dictionary

See all translations

infectionnoun [C or U]

uk   us   /ɪnˈfek.ʃən/

infection noun [C or U] (DISEASE)

B2 a ​disease in a ​part of ​yourbody 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

infection noun [C or U] (COMPUTERS)

an ​act of ​passingharmfulprograms into a ​computer or ​file, or the ​harmfulprograms 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)
Translations of “infection”
in Arabic عَدْوَى…
in Korean 감염…
in Portuguese infecção…
in Catalan infecció…
in Japanese 感染, 伝染病…
in Chinese (Simplified) (由细菌或病毒造成的身体部位的)感染…
in Turkish enfeksiyon, hastalık…
in Russian инфекция…
in Chinese (Traditional) (由細菌或病毒造成的身體部位的)感染…
in Italian infezione…
in Polish infekcja, zakażenie…
What is the pronunciation of infection?
Add Cambridge dictionaries to your browser to your website
Word of the Day
public school

in England, an expensive type of private school (= school paid for by parents not by the government)

Word of the Day