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

Put a little washing soda in the water.

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

The action is more certain, that is, more penetrating, if a little washing soda is added to the water at the rate of a tablespoonful of soda to a gallon of water.

From Rural Hygiene by Ogden, Henry N. (Henry Neely)

This may be accomplished by pouring through it a solution made by dissolving one-half ounce of borax, washing soda, or ammonia in one gallon of boiling water.

From Dietetics for Nurses by Proudfit, Fairfax T.