tartarine

from The Century Dictionary.

• noun A kind of rich silk or brocade, supposed to be made by the Tatars, but probably silk of China, India, etc., brought overland by them to Europe. Also called tartarium and cloth of Tars. Compare tarse.
• noun Potash.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Old Chem.), obsolete Potassium carbonate, obtained by the incineration of tartar.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun chemistry, obsolete Potassium carbonate, obtained by the incineration of tartar.