/ Dictionary / Index A alloy: Meaning and Definition of Find definitions for: al•loy Pronunciation: (n.al'oi, u-loi'v.u-loi'), [key] — n. a substance composed of two or more metals, or of a metal or metals with a nonmetal, intimately mixed, as by fusion or electrodeposition. a less costly metal mixed with a more valuable one. standard; quality; fineness. admixture, as of good with evil. anything added that serves to reduce quality or purity. —v.t. to mix (metals or metal with nonmetal) so as to form an alloy. to reduce in value by an admixture of a less costly metal. to debase, impair, or reduce by admixture; adulterate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alloy (Thesaurus) alloxan alloy steel Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language