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TOEFL IELTS BNC: 2510 COCA: 2692

infection

noun

in·​fec·​tion in-ˈfek-shən How to pronounce infection (audio)
1
a
: the state produced by the establishment of one or more pathogenic agents (such as a bacteria, protozoans, or viruses) in or on the body of a suitable host
an infection in his foot
b
: a disease resulting from infection
contagious infections
infections of childhood
2
: an act or process of infecting something or someone
also : the establishment of a pathogen in its host after invasion
3
: an infectious agent or material contaminated with an infectious agent
… that notion that the infection was all in the air, that there was no such thing as contagion from the sick people to the sound … Daniel Defoe
It may not be uninteresting to add, that this case I vaccinated with infection taken from a secondary pock on the arm of her sister … John Redman Coxe
4
: the communication of emotions or qualities through example or contact
But immediately she resisted this intolerable fear as an infection from her husband's way of thinking. George Eliot
also : the emotion or quality that is communicated
… as the evening wore on, she caught the infection of their excitement … Thomas Hardy
Besides, I know what sort of a mind I have placed in communication with my own: I know it is one not liable to take infection … Charlotte Brontë
5
: the act or result of corrupting someone's morals, character, etc.
… it is at least as difficult to stay a moral infection as a physical one … Charles Dickens
… they could not know the origin—or the depth—of his susceptibility to the infection of power. Robert A. Caro

Example Sentences

Poor hygiene can increase the danger of infection. The wound has so far remained free of infection. steps you can take to decrease your computer's risk of infection
Recent Examples on the Web The United Kingdom suffered its first human infection, too, a 79-year-old man who owned 125 ducks. Boyce Upholt, The New Republic, 19 Sep. 2022 But 20 to 30 percent of patients report brain fog three months after their initial infection, as do 65 to 85 percent of the long-haulers who stay sick for much longer. Ed Yong, The Atlantic, 12 Sep. 2022 Pekosz suggests people get boosted six months after their last COVID-19 infection or vaccine, though people who are immunocompromised may need more frequent boosts. Karen Weintraub, USA TODAY, 31 Aug. 2022 Jill Biden, the first lady, exited a second isolation period Monday after her infection returned following a course of Paxlovid. Roni Rabin, BostonGlobe.com, 30 Aug. 2022 The announcement comes two weeks after the Orange County Health Care Agency reported its first confirmed infection of the year. Los Angeles Times, 25 Aug. 2022 For instance, those who vaccinate and/or treat their infection with antiviral Paxlovid may be at lower risk of developing the condition, some studies suggest. Erin Prater, Fortune, 21 Aug. 2022 Some who escaped long Covid the first time are getting it after their second or third infection. Marla Broadfoot, Smithsonian Magazine, 19 Aug. 2022 In the United Kingdom, surveys suggest that around 2.8% of the population — or some 1.8 million people — are currently experiencing symptoms that have lasted more than a month since their infection. Alexander Tin, CBS News, 19 Aug. 2022 See More

Word History

Etymology

Middle English infeccioun "morbid condition of a body part, disease, contamination," borrowed from Anglo-French & Late Latin; Anglo-French infeccioun, enfection, borrowed from Late Latin infectiōn-, infectiō "influence, process of dyeing, communication of disease, contamination," from Latin infec-, variant stem of inficere "to dye, discolor, taint, contaminate with disease" + -tiōn-, -tiō, suffix of verbal action — more at infect

First Known Use

14th century, in the meaning defined at sense 2

Time Traveler
The first known use of infection was in the 14th century

Phrases Containing infection

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