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

Before using New Moulds for first time, soak for half an hour in strong common washing soda and water.

From The Candy Maker's Guide A Collection of Choice Recipes for Sugar Boiling by Fletcher Manufacturing Company

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)

Wash well, fill with hot water, add a half-pound washing soda, and let stand a day.

From Dishes & Beverages of the Old South by McCulloch-Williams, Martha