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Synonyms

washing soda

American  
washing soda British  

noun

  1. the crystalline decahydrate of sodium carbonate, esp when used as a cleansing agent

"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

Etymology

Origin of washing soda

First recorded in 1840–50

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Example Sentences

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Also, Wang says, the washing soda used in stripping can combine with deposits in hard water to create additional residue on fabrics.

From Washington Post Oct. 6, 2021

Charges that phosphates in detergents ultimately kill wildlife in streams and lakes have opened new opportunities for Arm & Hammer washing soda.

From Time Magazine Archive

Olive Brown No. 2 Boil the material several hours in a composition of one and one-half pounds of walnut bark, five teaspoonfuls of washing soda and one-half cup of rock alum.

From Practical Basketry by Gill, Anna A.

It is a substance, found only in Greenland, from which washing soda is made, and also some kinds of baking powder.

From First at the North Pole Two Boys in the Arctic Circle by Stratemeyer, Edward

Lye, ammonia, caustic soda, and baking and washing soda are common bases.

From Common Science by Ritchie, John W. (John Woodside)

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