from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Crude potassium bitartrate, a by-product of winemaking.
from The Century Dictionary.
- noun Unrefined or crude tartar; a hard crust, consisting of potassium bitartrate, formed on the sides of vessels in which wine has been fermented.
- noun A cake of dried camel's dung, used by the Mongols as fuel.
from the GNU version of the Collaborative International Dictionary of English.
- noun Crude tartar; an acidulous salt from which cream of tartar is prepared. It exists in the juice of grapes, and is deposited from wines on the sides of the casks.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
from The American Heritage® Dictionary of the English Language, 4th Edition
Steep in a fresh liquor of Barilla ash or soda plus sheep's dung, olive oil and white argol.
It is not advisable to use more argol than is here given, for (p. 087) although a little excess will not materially affect the beauty or brilliancy of the resulting shade, yet such excess is wasteful, and makes the dyeing cost more than it otherwise would.
Alumina is applied either in the form of alum or of sulphate of alumina, argol or tartar being used as the assistant, oxide of alumina being deposited on the fibre.
-- Mordant the wool by boiling one and a half to two hours in a bath made with 5 lb. copperas, 2 lb. bluestone, 2 lb. alum, and 10 lb. argol.
With these (p. 116) are used sulphuric acid, oxalic acid, cream of tartar or argol, lactic acid, etc.
The Mongols, like so many Eastern peoples, suffer much from inflammation of the eyes, the result of dirt, and even more of the acrid argol smoke filling the yurts so that often I was compelled to take flight.
_Orange: _ -- For five pounds of goods, muriate of tin six tablespoonfuls, argol four ounces; boil and dip one hour and add again to the dye one teacupful of madder; dip again one-half hour.
-- Mordant by boiling with 4 lb. alum and 1 lb. argol, then dye with 6 lb. logwood, 6 oz. cudbear and 3 oz. indigo extract.
Or without argol or tartar, but I think their use is beneficial.
When tartar, argol, oxalic acid, lactic acids and other assistants of an organic nature are used, then a different effect is obtained, the bichromate is completely decomposed, and a deposit of chromium oxide formed on the wool.