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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The layer in the upper atmosphere protects the planet from the Sun's radiation, but ozone that forms at ground level—caused by a chemical reaction in the sunlight between pollutants such as car exhaust fumes and power plant emissions—is harmful. Chloe Mayer, MSNBC Newsweek, 29 July 2025 The order came months after the water provider introduced a blended phosphate mix into University Park’s public water system, triggering a chemical reaction that officials claimed stripped away a protective layer in residential plumbing. Mike Nolan, Chicago Tribune, 13 June 2025 At that point, a fiber optic light heats the particles and triggers a chemical reaction. Kurt Knutsson, FOXNews.com, 7 July 2025 Now, researchers at Mass General Brigham have made a breakthrough by mixing up the recipe for that chemical reaction, creating a bioluminescence diagnostic tool that's 515 times brighter and eight times more enduring than current models. Bronwyn Thompson, New Atlas, 3 June 2025 See All Example Sentences for chemical reaction

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“Chemical reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemical%20reaction. Accessed 21 Aug. 2025.

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