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
Remove the pennies, wash them off, and admire their new shiny surface (courtesy of the chemical reaction of the vinegar, salt, and copper oxide).
—
Nicole Harris, Parents, 22 May 2024
Bioluminescence creates a glow from a chemical reaction.
—Sarah Kuta, Smithsonian Magazine, 21 May 2024
But there have been instances in which excessive heat inside a battery leads to a chemical reaction that spreads to other batteries in a thermal runaway event.
—Rob Nikolewski, San Diego Union-Tribune, 18 May 2024
The data for the new report was compiled by the Environmental Protection Agency (EPA), which tracks air quality levels across the U.S.
One of the biggest differences between the two is that ozone pollution is a chemical reaction.
—Maggie O'Neill, Health, 15 May 2024
Bioluminescence is believed to have evolved nearly 100 times across history, caused by a simple chemical reaction, when a light-producing molecule called a luciferin reacts with an enzyme called luciferase.
—Sam Jones, New York Times, 23 Apr. 2024
The phenomenon is caused by a chemical reaction that occurs inside microorganisms called dinoflagellates, similar to the light inside fireflies' tails.
—Melissa Locker, Travel + Leisure, 25 Apr. 2024
Most bioluminescent animals use the same basic chemical reaction: an enzyme, luciferase, adds oxygen to a type of compound known as a luciferin, producing light as a byproduct.
—Byphie Jacobs, science.org, 23 Apr. 2024
That’s right, these eggs rely on the same baking soda and vinegar chemical reaction that made your papier-mâché volcano bubble over in fourth grade.
—Annie Colbert, Popular Science, 27 Mar. 2024
Nicole Harris, Parents, 22 May 2024
Bioluminescence creates a glow from a chemical reaction.
—Sarah Kuta, Smithsonian Magazine, 21 May 2024
But there have been instances in which excessive heat inside a battery leads to a chemical reaction that spreads to other batteries in a thermal runaway event.
—Rob Nikolewski, San Diego Union-Tribune, 18 May 2024
The data for the new report was compiled by the Environmental Protection Agency (EPA), which tracks air quality levels across the U.S.
One of the biggest differences between the two is that ozone pollution is a chemical reaction.
—Maggie O'Neill, Health, 15 May 2024
Bioluminescence is believed to have evolved nearly 100 times across history, caused by a simple chemical reaction, when a light-producing molecule called a luciferin reacts with an enzyme called luciferase.
—Sam Jones, New York Times, 23 Apr. 2024
The phenomenon is caused by a chemical reaction that occurs inside microorganisms called dinoflagellates, similar to the light inside fireflies' tails.
—Melissa Locker, Travel + Leisure, 25 Apr. 2024
Most bioluminescent animals use the same basic chemical reaction: an enzyme, luciferase, adds oxygen to a type of compound known as a luciferin, producing light as a byproduct.
—Byphie Jacobs, science.org, 23 Apr. 2024
That’s right, these eggs rely on the same baking soda and vinegar chemical reaction that made your papier-mâché volcano bubble over in fourth grade.
—Annie Colbert, Popular Science, 27 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'chemical reaction.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Chemical reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemical%20reaction. Accessed 29 May. 2024.
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