caustic soda

noun

1. sodium hydroxide.

caustic soda

noun

1. another name for sodium hydroxide

Word History and Origins

Origin of caustic soda¹

First recorded in 1875–80

Example Sentences

A West End nightclub has been fined for accidentally serving caustic soda with tequila shots rather than salt, Westminster City Council has said.

From BBC

Liquid nerve agents drained from those warheads are mixed with water and caustic soda and then heated and stirred.

From New York Times

"She mixes it in so that the strong smell of caustic soda does not remain," Jussara says.

From BBC

It is used by the chlor-alkali industry, which produces bleach, caustic soda and other products.

From Washington Times

The substance is found in products such brake linings and gaskets, and is used to manufacture chlorine bleach and sodium hydroxide, also known as caustic soda.

From Seattle Times