異 物 混 入(いぶつこんにゅう)

いぶつこんにゅう

noun

contamination by a foreign object

businessfood

1. contamination by a foreign object; foreign matter in a product

The presence of something that does not belong — a hair, a piece of plastic, a fragment of metal — in food, drink, or medicine. The fixed term used in product recalls and news reports.

異物混入(いぶつこんにゅう)が見(み)つかった。

Foreign matter was found in the product.

異物混入(いぶつこんにゅう)のため、商品(しょうひん)が回収(かいしゅう)された。

The product was recalled because of contamination by a foreign object.

工場(こうじょう)では異物混入(いぶつこんにゅう)を防(ふせ)ぐために、金属(きんぞく)探知機(たんちき)で検査(けんさ)している。

At the factory they inspect with metal detectors to prevent contamination by foreign objects.

異物(いぶつ) is the foreign object itself; 混入(こんにゅう) is its getting mixed in. The compound is standard in food-safety and manufacturing contexts and appears constantly in recall notices.

Common collocations

異物混入(いぶつこんにゅう)が発覚(はっかく)する: contamination comes to light
異物混入(いぶつこんにゅう)を防(ふせ)ぐ: to prevent contamination
異物混入(いぶつこんにゅう)事件(じけん): a contamination incident

Similar words

食中毒(しょくちゅうどく): food poisoning — illness from bacteria or toxins, not a physical object
汚染(おせん): pollution; contamination — chemical or biological, and used of the environment as well as products

Related Words

Compare: 食中毒(しょくちゅうどく) (food poisoning)

Compare: 汚染(おせん) (pollution)

general

Added 2026.7.26 3:20 · Revised 2026.9.2 13:02

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