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alloy

/ˈæloʊ/ · al.loy
noun
  1. A metal that is a combination of two or more elements, at least one of which is a metal. The new alloy used in the spacecraft's engine was incredibly lightweight and strong.
  2. A metal of lesser value, mixed with a metal of greater value. Gold without alloy is extremely rare and highly prized by collectors.
  3. An admixture; something added which stains, taints etc. The artist's use of alloy in the painting created a unique, layered effect.
Did you know? The first alloy, bronze, was discovered by the ancient Mesopotamians around 3000 BC, and was made by combining copper with tin.
Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Aug 6, 2026