salt of tartar

noun

Potassium carbonate.

OriginMiddle English salt tartre →
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Meanings

nounsalt of tartar (uncountable)
  1. obsoleteuncountablechemistryPotassium carbonate.

Synonyms & antonyms

Also see
potassium carbonatetartarine

Origin

  1. Middle Englishsalt tartre
  2. Englishsalt of tartar

From Middle English salt tartre. So called because formerly made by heating cream of tartar, or potassium tartrate.

More words from Middle English

Full word history & related roots →
Cite this entry
APA

salt of tartar. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/salt%20of%20tartar

MLA

“salt of tartar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/salt%20of%20tartar. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “salt of tartar,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/salt%20of%20tartar.

Source: salt of tartar on Wiktionary, CC BY-SA 4.0.