caustic soda
Americannoun
noun
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.
A chemical, thought to be caustic soda, is understood to have entered the water at the Knockando burn, which flows into the River Spey, in the last few days.
From BBC • May 3, 2026
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
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
