Vitiation
Pronunciation : Vi`ti*a"tion
Part of Speech : n.
Etymology : [L. vitiatio.]
Definition : Defn: The act of vitiating, or the state of being vitiated; depravation; corruption; invalidation; as, the vitiation of the blood; the vitiation of a contract. The vitiation that breeds evil acts. G. Eliot.
Source : Webster's Unabridged Dictionary, 1913