Adulteration

n.	1.	The act of adulterating; corruption, or debasement (esp. of food or drink) by foreign mixture. The shameless adulteration of the coin. - Prescott.
	2.	An adulterated state or product.

Noun	1.	adulteration - being mixed with extraneous material; the product of adultering Synonyms: debasement
	2.	adulteration - the act of adulterating (especially the illicit substitution of one substance for another)

ADULTERATION. This term denotes the act of mixing something impure with something pure, as, to mix an inferior liquor with wino; au inferior article with coffee, tea,.and the like.

debasement, impureness, impurity