- the portion of a solution remaining after crystallization of its important component.
Origin of mother liquor
First recorded in 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mother liquor
More crystals may be obtained by evaporating the mother-liquor.
More crystals may be obtained by again evaporating the mother-liquor.
The mother-liquor of the crystallisers is pumped back into the evaporating pans for further concentration.
These were separated, and the mother-liquor on standing deposited some oblong rectangular crystals.
Considerable quantities of iodine are now obtained from the mother-liquor of Chilian saltpetre or nitre (nitrate of soda).