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
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Urinalysis’ use as a tool for diagnosing UTIs is based upon a chemical reaction called diazotization, discovered in 1858 by German chemist Peter Greiss.
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Neil Gaffin, STAT, 29 Dec. 2025
Bleach Chlorine bleach creates a chemical reaction that creates toxic chlorine gas when mixed with acids.
—Jolie Kerr, Better Homes & Gardens, 23 Dec. 2025
Add 1/2 cup of vinegar to the mixture to accelerate the cleaning chemical reaction.
—Daley Quinn, Southern Living, 21 Dec. 2025
Water was then added, creating a chemical reaction that produced heat and trapped the lime clasts in the concrete.
—Taylor Nicioli, CNN Money, 19 Dec. 2025
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Neil Gaffin, STAT, 29 Dec. 2025
Bleach Chlorine bleach creates a chemical reaction that creates toxic chlorine gas when mixed with acids.
—Jolie Kerr, Better Homes & Gardens, 23 Dec. 2025
Add 1/2 cup of vinegar to the mixture to accelerate the cleaning chemical reaction.
—Daley Quinn, Southern Living, 21 Dec. 2025
Water was then added, creating a chemical reaction that produced heat and trapped the lime clasts in the concrete.
—Taylor Nicioli, CNN Money, 19 Dec. 2025
See All Example Sentences for chemical reaction
Cite this Entry
“Chemical reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemical%20reaction. Accessed 5 Jan. 2026.
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