1.
foreign body, foreign matter
Something that does not belong in a particular place — a contaminant in food, a particle in the eye, or an unwanted object in a system. Used in medical, manufacturing, and food safety contexts.
目に異物が入った。
A foreign body got into my eye.
食品に異物が混入していた。
A foreign object was found mixed into the food product.
工場では異物混入を防ぐために厳しい管理を行っている。
The factory has strict controls in place to prevent foreign matter contamination.
USAGE:
Commonly encountered in news reports about food safety incidents and in medical descriptions. The compound 異物混入 (foreign matter contamination) is especially frequent in consumer safety discussions.
COMMON COLLOCATIONS:
- 異物混入: foreign object contamination
- 異物を除去する: to remove a foreign body
- 異物感: sensation of a foreign body (e.g., in the throat)
- 異物が混じる: for a foreign object to be mixed in