Definition of infection
1 : the act or result of affecting injuriously
2 : an infective agent or material contaminated with an infective agent
3a : the state produced by the establishment of an infective agent in or on a suitable hostb : a disease resulting from infection
4 : an act or process of infecting; also : the establishment of a pathogen in its host after invasion
5 : the communication of emotions or qualities through example or contact
Examples of infection in a Sentence
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 of infection from the Web
Officials say most people with hepatitis C don’t have any symptoms and are unaware of their infection.
An angry 7-inch scar descending straight down from her navel shows where doctors went in not once but twice to clear out infection and sew up her intestines.
Listeria infection can also cause miscarriages and stillbirth among pregnant women.
For facility-wide issues, such as infections, be sure to check your hospital at the federal Hospital Compare site.
That means avoiding salads or raw vegetables, because those are the most common cause of E. coli infections.
Suramin is also being explored for other diseases, such as preventing Chikungunya and Ebola virus infection; and treating forms of cancer.
Cleveland Clinic Florida has performed the procedure for nearly a year, and patients have experienced a decrease in complications such as infection and bleeding, Adada said.
As the weather gets warmer, the risk of developing an infection at the site of a surgical wound increases, a new study reports.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'infection'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of infection
INFECTION Defined for English Language Learners
Definition of infection for English Language Learners
: the act or process of infecting someone or something : the state of being infected
: a disease caused by germs that enter the body
INFECTION Defined for Kids
Definition of infection for Students
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 of infection
3: an act or process of infecting syphilis infection is chiefly venereal; also : the establishment of a pathogen in its host after invasion
Seen and Heard
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