red mud

English

Etymology

Named for its red color, which comes mostly from iron(III) oxide.

Noun

red mud (uncountable)

  2. (extractive metallurgy) A mixture of solid and metallic oxide-bearing impurities that is a waste product of bauxite refinement.
  3. Used other than figuratively or idiomatically: see red,‎ mud.

Anagrams

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