infection

noun

in·fec·tion in-ˈfek-shən How to pronounce infection (audio)

: 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

: a disease resulting from infection

contagious infections

infections of childhood

: an act or process of infecting something or someone

also : the establishment of a pathogen in its host after invasion

: 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

: 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

: 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

Medical Definition

infection

noun

in·fec·tion in-ˈfek-shən How to pronounce infection (audio)

: the state produced by the establishment of one or more pathogenic agents or microorganisms (as bacteria, viruses, protozoans, or fungi) in or on the body of a suitable host

treated a bacterial infection of the eye

: a disease resulting from infection : infectious disease

common infections of childhood

contagious infections

: an act or process of infecting something or someone

syphilis infection is chiefly venereal

also : the establishment of a pathogen in its host after invasion

: an infectious agent or material contaminated with an infectious agent

单词	infection
释义	infection noun in·fec·tion in-ˈfek-shən 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 Phrases Containing infection breakthrough infection yeast infection co-infection focal infection Vincent's infection breakthrough infection yeast infection co-infection focal infection Vincent's infection Kids Definition infection noun in·fec·tion in-ˈfek-shən 1 : the act or process of passing on or introducing a germ, illness, or disease to : the state of being infected 2 : any disease caused by germs an ear infection Medical Definition infection noun in·fec·tion in-ˈfek-shən 1 a : the state produced by the establishment of one or more pathogenic agents or microorganisms (as bacteria, viruses, protozoans, or fungi) in or on the body of a suitable host treated a bacterial infection of the eye b : a disease resulting from infection : infectious disease common infections of childhood contagious infections 2 : an act or process of infecting something or someone syphilis infection is chiefly venereal also : the establishment of a pathogen in its host after invasion 3 : an infectious agent or material contaminated with an infectious agent infection noun as in virus an abnormal state caused by contact with harmful organisms (such as bacteria or viruses) There is a viral infection spreading among the schoolchildren. Synonyms & Similar Words Relevance virus germ disease epidemic attack contagion contagious disease contagium plague illness fever sickliness bout lameness invalidism unhealthiness pestilence pandemic debility indisposition debilitation invalidity unsoundness ailment sickishness decrepitude malaise feebleness sickness unwellness fit spell malady ill dysfunction disorder distemper weakness complication pest pip bug weakliness frailty ail frailness infirmity upset disfunction matter condition distemperature trouble affection complaint affliction Antonyms & Near Antonyms fitness health lustiness healthiness soundness robustness hardiness wholeness shape heartiness wholesomeness wellness cure antidote fettle antivenom antivenin panacea elixir mithridate cure-all See More
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infection

noun

Example Sentences

Word History

Phrases Containing infection

Kids Definition

noun

Medical Definition

noun

noun