noun
contamination by foreign matter; foreign body contamination
Primarily used for unwanted foreign objects in food, pharmaceuticals, or industrial products. Common in news reports, product recalls, and quality control contexts.
異物混入のため、商品を自主回収しました。
We voluntarily recalled the product due to foreign matter contamination.
食品への異物混入を防ぐ対策を強化する。
Strengthen measures to prevent foreign body contamination in food.