exothermic
adjective
exo·ther·mic
ˌek-sō-ˈthər-mik 
: characterized by or formed with evolution of heat
Examples of exothermic in a Sentence
Recent Examples on the Web
The show is described as covering topics including safety, pressure and force, simple machines, velocity, application of science to everyday life, multiple experimentation and exothermic, external and chemical formula chemical reactions.
—
Jessi Virtusio, Chicago Tribune, 23 Sep. 2024
Astrobotic has a different concept called the Nighttime Integrated Thermal and Electricity (NITE) system, which could produce power as a byproduct of exothermic chemical reactions.
—Stephen Clark, Ars Technica, 4 Apr. 2024
Climate change has helped to produce most of the planet’s 10 hottest years since the start of the 2010s, creating ideal fire temperatures and ideal fuel on the ground — dry, brittle and ready for exothermic reaction.
—Dennis Romero, NBC News, 2 Aug. 2022
Be aware that lye is exothermic and will generate a lot of heat (about 200 degrees) when added to the water.
—New York Times, 13 May 2021
The injection creates an exothermic reaction that ignites the fuels inside the balls.
—Andre Toran, The Courier-Journal, 31 Mar. 2021
Once started, this exothermic process causes heat (around 500℉), and oxygen is produced.
—John Cox, USA TODAY, 4 Dec. 2020
In this case, the students hope to combine concepts similar to those found in instant snow and hand warmers to create an exothermic reaction.
—Elizabeth Depompei, Indianapolis Star, 15 Jan. 2020
To put it in the language of chemistry, Schultz, a chemist, is seeking to catalyze an exothermic reaction.
—Bradley J. Fikes, sandiegouniontribune.com, 25 June 2018
Jessi Virtusio, Chicago Tribune, 23 Sep. 2024
Astrobotic has a different concept called the Nighttime Integrated Thermal and Electricity (NITE) system, which could produce power as a byproduct of exothermic chemical reactions.
—Stephen Clark, Ars Technica, 4 Apr. 2024
Climate change has helped to produce most of the planet’s 10 hottest years since the start of the 2010s, creating ideal fire temperatures and ideal fuel on the ground — dry, brittle and ready for exothermic reaction.
—Dennis Romero, NBC News, 2 Aug. 2022
Be aware that lye is exothermic and will generate a lot of heat (about 200 degrees) when added to the water.
—New York Times, 13 May 2021
The injection creates an exothermic reaction that ignites the fuels inside the balls.
—Andre Toran, The Courier-Journal, 31 Mar. 2021
Once started, this exothermic process causes heat (around 500℉), and oxygen is produced.
—John Cox, USA TODAY, 4 Dec. 2020
In this case, the students hope to combine concepts similar to those found in instant snow and hand warmers to create an exothermic reaction.
—Elizabeth Depompei, Indianapolis Star, 15 Jan. 2020
To put it in the language of chemistry, Schultz, a chemist, is seeking to catalyze an exothermic reaction.
—Bradley J. Fikes, sandiegouniontribune.com, 25 June 2018
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'exothermic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near exothermic
Cite this Entry
“Exothermic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exothermic. Accessed 4 Nov. 2024.
Copy CitationKids Definition
exothermic
adjective
exo·ther·mic
ˌek-sō-ˈthər-mik
: characterized by or formed by the giving off of heat
an exothermic chemical reaction
Medical Definition
exothermic
adjective
exo·ther·mic
-ˈthər-mik
: characterized by or formed with evolution of heat compare endothermic
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