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Definition of fat liquor
(Entry 1 of 2)
: a liquor made of an emulsion of soap and fat (as castor oil or degras) or of sulfonated oil and used in tanning leather
fat-liquor
transitive verbDefinition of fat-liquor (Entry 2 of 2)
: to fill the fiber of (a leather) with oil or fat : treat (leather) with fat liquor
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