foreign body

Noun

Meaning

foreign body (plural foreign bodies)

An unwanted, intruding object or piece of matter.
The foreign body stuck inside the dog's stomach turned out to be a bottle cap.

Source: en.wiktionary.org

Synonyms

outlander foreign object impurity foreigner intruder visitor pollutant interloper contaminant incomer

Antonyms

buddy compatriot countryman

Examples

Antigen The substance in a foreign body which evokes production of antibodies specific to it. Source: Internet

As with most allergies, a wheat allergy causes the immune system to abnormally respond to a component of wheat that it treats as a threatening foreign body. Source: Internet

Along with hair loss, signs of irritation by a foreign body include swelling and licking the area repeatedly -- for example between the toes. Source: Internet

Nonmedicated IUDs depend for contraception on the general reaction of the uterus to a foreign body. Source: Internet

The gritty and/or scratchy feeling is sometimes localized enough for patients to insist they must have a foreign body in the eye. Source: Internet

Could it be an infection, an allergy, or a foreign body? Source: Internet

Close letter words and terms

foreign being foreign bill foreign bodies foreign body sensation foreign buyer foreign car