2. Debased by the admixture of a foreign substance; adulterated; spurious.

-- A*dul"ter*ate*ly, adv. -- A*dul"ter*ate*ness, n.

A*dul`ter*a"tion (&?;), n. [L. adulteratio.] 1. The act of adulterating; corruption, or debasement (esp. of food or drink) by foreign mixture.

The shameless adulteration of the coin.

Prescott.