chemical reaction

noun

: a chemical change that occurs when two or more substances combine to form a new substance

Examples of chemical reaction in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This chemical reaction occurs after exposure to sunlight, where the sap touches the skin. Steve Bender, Southern Living, 21 June 2026 The bubbling reaction is the result of a chemical reaction that occurs when hydrogen peroxide comes in contact with enzymes in the mold. Maria Sabella, The Spruce, 25 June 2026 Its fuel cells generate electricity from natural gas through a chemical reaction, rather than burning the fuel. Bloomberg, Mercury News, 2 June 2026 Yellow deodorant stains result from a chemical reaction between sweat, the aluminum in antiperspirants, and fabric fibers over time, leading to discoloration. Madeline Buiano, Martha Stewart, 2 July 2026 See All Example Sentences for chemical reaction

Browse Nearby Words

Cite this Entry

“Chemical reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemical%20reaction. Accessed 7 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!