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单词 red mud
释义

Definition of red mud in English:

red mud

noun
  • 1Geology a mud of terrestrial origin, found on continental shelves and in other shallow waters, and coloured red by iron oxides.

  • 2A residue from the extraction of alumina from bauxite, coloured red by iron impurities.

Origin

Late 17th century; earliest use found in Robert Boyle (1627–1691), natural philosopher.

 
 

Definition of red mud in US English:

red mud

noun
  • 1Geology a mud of terrestrial origin, found on continental shelves and in other shallow waters, and coloured red by iron oxides.

  • 2A residue from the extraction of alumina from bauxite, coloured red by iron impurities.

Origin

Late 17th century; earliest use found in Robert Boyle (1627–1691), natural philosopher.

 
 
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更新时间:2024/12/23 15:55:17