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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

If any material has burned on them, boil them out with one ounce of washing soda to one quart of water.

From Scouting For Girls, Official Handbook of the Girl Scouts by Bacon, Josephine Dodge Daskam

Whenever you neutralize an acid with baking soda or washing soda, the carbon dioxid in the soda bubbles up and you have effervescence.

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

Lemon juice in the rinsing water will prevent washing soda from injuring the clothes.

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

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