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

Take care that the washing soda is in such a position that it cannot be upset and ruin the polish of the table.

From Finger Prints by Galton, Francis, Sir

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

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.