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cream of tartar

a white, crystalline, water-soluble powder, C 4 H 5 KO 6 , used chiefly as an ingredient in baking powders and in galvanic tinning of metals.
Also called potassium bitartrate, potassium acid tartrate.
Compare tartar (def 3).
Origin of cream of tartar
1655-65 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for cream-of-tartar
Historical Examples
  • Chloride of silver, two parts; cream-of-tartar, two parts; alum, one part.

  • The cream-of-tartar tree, however, will interest a visitor more.

  • One cream-of-tartar tree seen close to the falls measured 22 feet in diameter.

  • The pod of the cream-of-tartar is the shape of a cucumber and 10 to 12 inches long.

  • Then from the kitchen, where she had gone to get a fresh supply of cream-of-tartar biscuit, came little Mrs. Tidditt.

    Fair Harbor Joseph Crosby Lincoln
  • The bush was dotted with huge baobabs, the cream-of-tartar trees which so impressed the voortrekkers in Lydenburg.

    The African Colony John Buchan
British Dictionary definitions for cream-of-tartar

cream of tartar

another name for potassium hydrogen tartrate, esp when used in baking powders
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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