sal soda

noun
1.
sodium carbonate (def 2).
Origin
1425-75; late Middle English
Examples from the web for sal soda
  • It takes only a few moments to throw in a solution of lye or of sal soda and water as soon as they are emptied.
  • The witness testified that they produced bicarbonate of soda, sal soda and saleratus.
British Dictionary definitions for sal soda

sal soda

noun
1.
the crystalline decahydrate of sodium carbonate