Re infection


an act or fact of infecting; state of being infected.
an infecting with germs of disease, as through the medium of infected insects, air, water, or clothing.
an infecting agency or influence.
an infectious disease: Is this infection very dangerous?
the condition of suffering an infection.
corruption of another's opinions, beliefs, moral principles, etc.; moral contamination.
an influence or impulse passing from one to another and affecting feeling or action.
Grammar. (in Celtic languages) assimilation in which a vowel is influenced by a following vowel or semivowel; umlaut.

1350–1400; Middle English infeccio(u)n < Late Latin infectiōn- (stem of infectiō). See infect, -ion

noninfection, noun
postinfection, adjective
preinfection, noun
reinfection, noun
subinfection, noun

infection, inflection. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
infection (ɪnˈfɛkʃən)
1.  invasion of the body by pathogenic microorganisms
2.  the resulting condition in the tissues
3.  an infectious disease
4.  the act of infecting or state of being infected
5.  an agent or influence that infects
6.  persuasion or corruption, as by ideas, perverse influences, etc

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

infection in·fec·tion (ĭn-fěk'shən)

  1. Invasion by and multiplication of pathogenic microorganisms in a bodily part or tissue, which may produce subsequent tissue injury and progress to overt disease through a variety of cellular or toxic mechanisms.

  2. An instance of being infected.

  3. An agent or a contaminated substance responsible for one's becoming infected.

  4. The pathological state resulting from having been infected.

  5. An infectious disease.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
infection  [%PREMIUM_LINK%]     (ĭn-fěk'shən)  Pronunciation Key 
The invasion of the body of a human or an animal by a pathogen such as a bacterium, fungus, or virus. Infections can be localized, as in pharyngitis, or widespread as in sepsis, and are often accompanied by fever and an increased number of white blood cells. Individuals with immunodeficiency syndromes are predisposed to certain infections. See also infectious disease, opportunistic infection.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

infection definition

Invasion of the body or a body part by a pathogenic organism, which multiplies and produces harmful effects on the body's tissues.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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