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fuller's earth

noun

  1. an absorbent clay, used especially for removing grease from fabrics, in fulling cloth, as a filter, and as a dusting powder.


fuller's earth

noun

  1. a natural absorbent clay used, after heating, for decolorizing oils and fats, fulling cloth, etc


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Word History and Origins

Origin of fuller's earth1

First recorded in 1515–25

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