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Showing results for caustic soda. Search instead for caustic+soda.
Synonyms

caustic soda

American  

caustic soda British  

noun

  1. another name for sodium hydroxide

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of caustic soda

First recorded in 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

China has become a major supplier of ingredients for small-molecule medications, coatings and sterilization agents for medical devices, and the chlorine and caustic soda used to keep water safe to drink.

From The Wall Street Journal • Dec. 30, 2025

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

From Washington Times • Apr. 5, 2022

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 • Apr. 5, 2022

The containers held chemicals such as caustic soda, nitric acid, methanol and plastic pellets, and the ship also carried about 350 tons of oil.

From New York Times • Jun. 30, 2021

On Rack 10 rows of next generation’s chemical workers were being trained in the toleration of lead, caustic soda, tar, chlorine.

From "Brave New World" by Aldous Huxley