washing soda

American  

noun

1. sodium carbonate.

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washing soda British  

noun

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

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Etymology

Origin of washing soda

First recorded in 1840–50

Compare meaning

How does washing-soda compare to similar and commonly confused words? Explore the most common comparisons:

• washing soda vs. baking soda

Example Sentences

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

The Javelle water which they had used was made of bleaching powder and washing soda.

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

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

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

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)