foreign object
Thing that shouldn't
A foreign object is something present where it doesn't belong—typically inside the body or machinery.
Doctors remove foreign objects from airways, eyes, and wounds: The X-ray revealed a foreign object in her stomach.
In manufacturing, foreign object damage refers to harm caused by stray debris entering engines or equipment.
- splinterThin sharp fragment
- plastic debrisDiscarded synthetic material waste
- pebbleWater-smoothed small rock
- shardBroken fragment of something brittle
- fragmentIncomplete portion of whole
sliver · lodged · chip · cornea · litter · glass · aspirated · airway · microplastics · stone · embedded · extraction · esophagus · staple · blockage · choking · bolt · thorn