washing soda

noun

1. sodium carbonate ( def 2 ).

washing soda

noun

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

Word History and Origins

Origin of washing soda¹

First recorded in 1840–50

Example Sentences

Many people recommend flushing waste-pipes now and then with a strong hot solution of washing soda.

From Project Gutenberg

The aluminium articles are boiled for a few minutes in a strong solution of ordinary washing soda.

From Project Gutenberg

It is said that iron or steel will not rust if it is placed for a few minutes in a warm solution of washing soda.

From Project Gutenberg

If a pot has been burned put a tablespoonful of washing-soda into it and fill it with water.

From Project Gutenberg

In combination with carbonic acid, as carbonate of soda, it forms the common washing soda of the shops.

From Project Gutenberg