1. 掺伪：代用品 substitute | 掺伪 adulteration | 天然产物 natural product

2. 掺杂：adage#格言;谚语 | adulteration#掺杂 | adversity#不幸

3. 掺加;掺杂：adulterant 搀杂物 | adulteration 掺加;掺杂 | aerosol 气溶胶;烟雾剂;浮质

4. 掺杂;伪造;劣货：adulterant 掺杂剂 | adulteration 掺杂;伪造;劣货 | adumbration 草图

noun

1. the act of adulterating (especially the illicit substitution of one substance for another)

2. being mixed with extraneous material
the product of adulterating

Synonym: debasement