Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Dentistry A hard yellowish deposit on the teeth, consisting of organic secretions and food particles deposited in various salts, such as calcium carbonate.
  • noun A reddish acid compound, chiefly potassium bitartrate, found in the juice of grapes and deposited on the sides of casks during winemaking.

from The Century Dictionary.

  • noun Impure acid potassium tartrate, also called argal or argol, deposited from wines completely fermented, and adhering to the sides of the casks in the form of a hard crust, varying from pale pink to dark red according as it has separated from white or red wines.
  • noun An earthy substance which occasionally concretes upon the teeth, and is deposited from the saliva. It consists of salivary mucus, animal matter, and calcium phosphate.
  • See Tatar.
  • noun Same as Tartarus.
  • To impregnate with tartar; administer tartar to.

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

  • noun A native or inhabitant of Tartary in Asia; a member of any one of numerous tribes, chiefly Moslem, of Turkish origin, inhabiting the Russian Europe; -- written also, more correctly but less usually, Tatar.
  • noun A person of a keen, irritable temper.
  • noun [Colloq.] to lay hold of, or encounter, a person who proves too strong for the assailant.
  • noun (Chem.) A reddish crust or sediment in wine casks, consisting essentially of crude cream of tartar, and used in marking pure cream of tartar, tartaric acid, potassium carbonate, black flux, etc., and, in dyeing, as a mordant for woolen goods; -- called also argol, wine stone, etc.
  • noun A correction which often incrusts the teeth, consisting of salivary mucus, animal matter, and phosphate of lime.
  • noun (Chem.) See under Cream.
  • noun (Med. Chem.) a double tartrate of potassium and basic antimony. It is a poisonous white crystalline substance having a sweetish metallic taste, and used in medicine as a sudorific and emetic.
  • adjective Of or pertaining to Tartary in Asia, or the Tartars.
  • noun See Tartarus.

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

  • noun A red compound deposited during wine making; mostly potassium hydrogen tartrate - a source of cream of tartar.
  • noun A hard yellow deposit on the teeth.
  • noun sometimes capitalised A fearsome or angrily violent person.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an incrustation that forms on the teeth and gums
  • noun a salt used especially in baking powder
  • noun a fiercely vigilant and unpleasant woman
  • noun a member of the Mongolian people of central Asia who invaded Russia in the 13th century

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English tartre, potassium bitartrate, from Old French, from Medieval Latin tartarum, argol, from Medieval Greek tartaron.]

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Examples

Comments

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  • The H.M.S. Tartar was listed as a "transport" captured at Yorktown in 1781.

    Maybe if it had flossed more, it wouldn't have been captured.

    October 29, 2007

  • Let them have their tartar sauce.

    November 6, 2007

  • "TARTARS, Asiatic soldiers armed with the bow and arrow, and a sabre or pike." (citation in Historical Military Terms list description)

    October 9, 2008

  • "She's a real Tartar, that one"

    April 11, 2009

  • The "a person of a keen, irritable temper" definition of this one is new to me. As in (re: Cecil Beaton):

    "'No, of course not. You'd be too young. He always used to be round here, snapping away. And a bit of a tartar. Stand here, stand there. Snap, snap. And there's a book about him now?"

    The Uncommon Reader by Alan Bennett, p 7 of the FSG hardcover edition

    October 13, 2012