adulteration

• 指通过添加外来或劣质物质来降低某物的质量或纯度的过程或结果，常包括以次充好或非法替代。

A noun referring to the process or result of making something impure or inferior by adding an extraneous or inferior substance, often involving the illicit substitution of one substance for another.

不可数

1. The act of making something impureC1formal

   The process of adding inferior or harmful substances to a product, making it less pure or lower in quality.

   掺假

   • The adulteration of milk with water is illegal in many countries.
   • Food adulteration poses serious health risks to consumers.
   • The company was fined for the adulteration of its organic products.

   同义词contaminationcorruptiondebasementfalsificationpollutionspoiling

   反义词cleansingpurificationrefinement

2. The result of being mixed with foreign materialC1formal

   A product that has been contaminated or debased by the addition of extraneous or inferior substances.

   掺假

   • The laboratory detected adulteration in the olive oil sample.
   • The adulteration of the spice was discovered during a routine inspection.
   • The drug's adulteration made it ineffective and dangerous.

   同义词contaminationcorruptiondebasementdefilementimpuritypollutiontaint

   反义词purificationpurityrefinement