Al·loy, v. t. [imp. & p. p. Alloyed p. pr. & vb. n. Alloying.]
1. To reduce the purity of by mixing with a less valuable substance; as, to alloy gold with silver or copper, or silver with copper.
2. To mix, as metals, so as to form a compound.
3. To abate, impair, or debase by mixture; to allay; as, to alloy pleasure with misfortunes.
adj 1: (used of metals) debased by mixture with an inferior element
2: (used of metals) blended to obtain a desired property