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n. A white amorphous or granular substance which consists principally of potassium carbonate and has a strong alkaline reaction. It is obtained by lixiviating wood ashes and evaporating the lye, and has been an important source of potassium compounds. It is used in making soap, glass, etc.

n. A white amorphous or granular substance which consists principally of potassium carbonate, and has a strong alkaline reaction. It is obtained by lixiviating wood ashes, and evaporating the lye, and has been an important source of potassium compounds. It is used in making soap, glass, etc.

n. Commercial carbonate of potash. See potash.

n. an impure form of potassium carbonate

"Four recipes, two for cookies and two for gingerbread, call for the use of “pearlash,” a refined version of potash, which was made by soaking the ash produced when plant materials are burned, draining off the liquid, and drying it down to concentrate the substances dissolved in it."

potassium carbonate   

potass    origanum    kil    sandarach    ceteras