noun
: a flux consisting chiefly of potassium carbonate and obtained as a white or grayish mass by the deflagration of tartar with an equal or larger amount of saltpeter
noun
: a flux consisting chiefly of potassium carbonate and obtained as a white or grayish mass by the deflagration of tartar with an equal or larger amount of saltpeter
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012