infection meaning

[ in'fekʃən ] Pronunciation:   "infection" in a sentence
Noun: infection  in'fekshun
  1. The pathological state resulting from the invasion of the body by pathogenic microorganisms 
  2. (phonetics) the alteration of a speech sound under the influence of a neighbouring sound 
  3. (medicine) the invasion of the body by pathogenic microorganisms and their multiplication which can lead to tissue damage and disease 
  4. An incident in which an infectious disease is transmitted
    - contagion, transmission 
  5. The communication of an attitude or emotional state among a number of people
    "the infection of his enthusiasm for poetry"
    - contagion 
  6. Moral corruption or contamination
    "ambitious men are led astray by an infection that is almost unavoidable" 
  7. (international law) illegality that taints or contaminates a ship or cargo rendering it liable to seizure

Derived forms: infections

See also: infect, infectious

Type of: communication, corruption, corruptness, health problem, ill health, illegality, incident, linguistic process, pathologic process, pathological process, unhealthiness

Encyclopedia: Infection

Invasion and multiplication of microorganisms in body tissues,which may be clinically inapparent or result in local cellular injury. A local infection may persist and spread by extension to become an acute,subacute,or chronic clinical infection or disease state. It may also become systemic when the microorganisms gain access to the lymphatic or vascular system. (From Dorland,27th ed) n
1 : an infective agent or material contaminated with an infective agent
a : the state produced by the establishment of an infective agent in or on a suitable host
b : a disease resulting from infection : INFECTIOUS DISEASE
3 : an act or process of infecting ‹syphilis infection is chiefly venereal› ; also : the establishment of a pathogen in its host after invasion


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  1. cattle are immune to equine infections anemia.
  2. breast infections occur during lactation.
  3. no other infection so quickly slays.
  4. eclipse refers to the disappearance of infections.
  5. a streptococcal infection does develop.

Related Words

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