infection
Americannoun
-
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.
noun
-
invasion of the body by pathogenic microorganisms
-
the resulting condition in the tissues
-
an infectious disease
-
the act of infecting or state of being infected
-
an agent or influence that infects
-
persuasion or corruption, as by ideas, perverse influences, etc
-
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.
Other Word Forms
- noninfection noun
- postinfection adjective
- preinfection noun
- reinfection noun
- subinfection noun
Etymology
Origin of infection
1350–1400; Middle English infeccio ( u ) n < Late Latin infectiōn- (stem of infectiō ). See infect, -ion
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“If you’re young or immunosuppressed you don’t want any semblance of influenza virus lingering in you that could potentially come back again or worse, open the doors for a bacterial infection or something more severe.”
Twelve days later, Betty was still unwell, and Rob says he was advised that she could have a serious infection.
From BBC
But now they are only recommending vaccinations against meningococcal disease, hepatitis B, and hepatitis A to children who broadly face a higher risk of infections.
From Salon
According to Lai, middle-aged adults tend to be less vulnerable to influenza than younger adults, which likely contributed to the absence of infections.
From Science Daily
Secondary infections with flu are not unique to this year, he said.
From Salon
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.