mother liquor

noun

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. 2023

Wash them several times with ether, but not sufficient to remove the mother liquor entirely.
Detection of the Common Food Adulterants | Edwin M. Bruce
They seek to find, as it were, the mother-liquor of the great ocean, so as to express the truth in a crystal.
The Religions of Japan | William Elliot Griffis
Thus the presence of a nitrate in the mother liquor tends to produce points or thorns.
The Mechanism of Life | Stphane Leduc
This may be done by carefully pouring above the mother liquor a layer of water, or a less concentrated solution.
The Mechanism of Life | Stphane Leduc
It increases in bulk, pushing aside the mother liquor, and thus doing external work.
The Mechanism of Life | Stphane Leduc

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