fuller's earth
noun
an absorbent clay, used especially for removing grease from fabrics, in fulling cloth, as a filter, and as a dusting powder.
Origin of fuller's earth
First recorded in 1515–25
Words nearby fuller's earth
full-wave rectifier,
fullam,
fullback,
fuller,
fuller rose beetle,
fuller's earth,
fuller's teasel,
fullerene,
fulleride,
fullerite,
fullerton
British Dictionary definitions for fuller's earth
fuller's earth
noun
a natural absorbent clay used, after heating, for decolorizing oils and fats, fulling cloth, etc
Medical definitions for fuller's earth
fuller's earth
[ ful′ərz ]
n.
A highly absorbent claylike substance consisting of hydrated aluminum silicates, applied moistened with water as a poultice.