salt cake

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noun Chemistry.

an impure form of sodium sulfate, especially as obtained by the interaction of sulfuric acid and common salt in the synthesis of hydrochloric acid: used chiefly in the manufacture of glass, ceramic glazes, soaps, and sodium salts.

Nearby words

  1. salsa verde,
  2. salsify,
  3. salt,
  4. salt away,
  5. salt bath,
  6. salt cedar,
  7. salt chuck,
  8. salt cod,
  9. salt dome,
  10. salt flat

Origin of salt cake

First recorded in 1695–1705

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for salt cake

salt cake

noun

an impure form of sodium sulphate obtained as a by-product in several industrial processes: used in the manufacture of detergents, glass, and ceramic glazes
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