There are 2 definitions of tartar in English:

tartar

Syllabification: tar·tar
Pronunciation: /ˈtärtər
 
/

noun

1A hard calcified deposit that forms on the teeth and contributes to their decay.
More example sentences
  • Tooth decay, fillings and tartar build-up can also all contribute to discolouration.
  • When plaque is allowed to remain on the teeth for too long, it collects close to the gums and turns into a hard substance called tartar.
  • This prevents a buildup of plaque and tartar on the teeth.
1.1A deposit of impure potassium hydrogen tartrate formed during the fermentation of wine. See also cream of tartar.
More example sentences
  • Add the tartar and bicarbonate of soda, the sugar and the milk soured with lemon juice.

Origin

late Middle English: via medieval Latin from medieval Greek tartaron, of unknown origin.

Derivatives

tartaric

Pronunciation: /tärˈtarik/
adjective
More example sentences
  • Ten ml of juice were sampled, rapidly sterilized by autoclaving, and stored at room temperature to prevent mono potassium tartaric salt precipitation until the preparation of the samples for C measurements.

More definitions of tartar

Definition of tartar in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day wiseacre
Pronunciation: ˈwīzˌākər
noun
a know-it-all…

There are 2 definitions of tartar in English:

Tartar

Syllabification: Tar·tar
Pronunciation: /ˈtärtər
 
/

noun

historical
1A member of the combined forces of central Asian peoples, including Mongols and Turks, who under the leadership of Genghis Khan conquered much of Asia and eastern Europe in the early 13th century, and under Tamerlane (14th century) established an empire with its capital at Samarkand. See also Tatar.
More example sentences
  • Romania's new minorities included substantial communities of Ukrainians, Bulgarians, gypsies, Germans, Hungarians, Tartars, Turks, and Jews.
  • Saracens themselves, and Italians, and Russians, were attentive to the multitudes of Mongols and Tartars.
  • At different times Stalin conducted mass arrests of Poles, Balts, Chechens, Tartars and on the eve of his death - Jews.
1.1 (tartar) A harsh, fierce, or intractable person: “Merciful God! but you’re a tartar, miss!” said the sheriff, ruefully
More example sentences
  • The Dromard No.14 is indeed a fine footballer but caught a real tartar in Knockbeg full-back Paddy Kelly, whose tackling, harrying and blocking continuously frustrated the Longford ace.
  • However he caught a tartar in the form of Sandyhill Jo 9 / 2.
  • He was not such a tartar after all.

Origin

from Old French Tartare or medieval Latin Tartarus, alteration (influenced by Tartarus) of Tatar.

Derivatives

Tartarian

Pronunciation: /tärˈte(ə)rēən/
adjective
More example sentences
  • The region filled up with people after the Tartarian invasion.

More definitions of tartar

Definition of Tartar in: