The Oxford Thesaurus An A-Z Dictionary of Synonyms - alloy n.

1) mixture, mix, combination, compound, composite, blend, amalgam, admixture; aggregate: Brass is an alloy of copper and zinc. --v. 2) contaminate, pollute, adulterate, debase, diminish, impair, vitiate: Their external prosperity was not alloyed by troubles from within. 3) change, modify, temper, alter, moderate, allay: Gentle persons might by their true patience alloy the hardness of the common crowd.