Definition of foreign body in US English:

foreign body


  • An object or piece of extraneous matter that has entered the body by accident or design.

    • ‘They're simply there to stop foreign bodies going into the lungs.’
    • ‘If there is a superficial foreign body inside the eye as a result of a glass/iron bit getting lodged in the eye, it needs to be removed as soon as possible.’
    • ‘The body encounters myriad foreign bodies via the mucus lining of air passages.’
    • ‘The first was to repair the eye immediately after the injury and the second was to remove the foreign body and re-attach the retina.’
    • ‘This could mean the end of the rejection problem - when the body rejects a foreign body after transplantation.’
    • ‘A general anaesthetic can interfere with the body's natural cough reflex, which normally helps prevent foreign bodies entering the breathing system.’
    • ‘Eye injuries may be caused by irritants such as sand, dirt, or other foreign bodies on the eye's surface.’
    • ‘Remember, your animal suffering a gastrointestinal foreign body does not constitute a lack of parenting or care.’
    • ‘The foreign body that it cannot effectively assimilate is European modernity.’
    • ‘Nature has provided glands that produce wax to keep foreign bodies like insects from entering the ear.’
    • ‘That is, in spite of the importance of English to international relations, it remains a foreign body, and one that exists in school at the expense of other subjects.’
    • ‘They are treated as foreign bodies that have to be extirpated from the body Hispanic.’
    • ‘An ultra-sound scan revealed the presence of a foreign body in her thigh muscle.’
    • ‘A foreign body stuck in a pipe covers most situations.’
    • ‘The cause of the accident was a foreign body which got jammed between the brake caliper and the inside of a wheel rim and machined a groove into the rim which caused an immediate failure.’
    • ‘It is the foreign body that puts the body to work.’
    • ‘The DNA then starts making proteins that are recognised by the body as foreign bodies and attacked.’
    • ‘Come on, Bryan - you must have a foreign body stuck in your pipeline!’
    • ‘The foreign body was removed through another surgery.’
    • ‘The drawing action of castor oil is also very useful for removing splinters or other foreign bodies from the eye, allowing the offending bodies to be removed along natural channels.’
    contaminant, adulterant, pollutant
    View synonyms


foreign body

/ˈfôrən ˈbädē/