The word “ferrous” refers to the metal iron and, by extension, to metals and alloys that contain iron as a major component.

Quick Scoop

  • In chemistry and materials science, ferrous comes from the Latin ferrum , meaning iron.
  • A ferrous metal is any metal where iron is the primary element, such as steel or cast iron.
  • Non‑ferrous metals (like aluminum or copper) are specifically those that do not contain significant iron.

So when a question asks, “Which metal does the word ‘ferrous’ refer to?”, the direct answer is iron.

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