reactor
noun
re·ac·tor
rē-ˈak-tər 
Examples of reactor in a Sentence
Recent Examples on the Web
Maximus agrees to lead the Brotherhood to the Cold Fusion reactor with the hope of rescuing Lucy and Hank in the process.
—
Kayla Keegan, Peoplemag, 19 Apr. 2024
An 2011 earthquake and tsunami damaged the Fukushima plant’s power supply and reactor cooling functions, triggering meltdowns of three reactors and causing large amounts of radioactive wastewater to accumulate.
—Mari Yamaguchi, Quartz, 13 Mar. 2024
See all Example Sentences for reactor 
Kayla Keegan, Peoplemag, 19 Apr. 2024
An 2011 earthquake and tsunami damaged the Fukushima plant’s power supply and reactor cooling functions, triggering meltdowns of three reactors and causing large amounts of radioactive wastewater to accumulate.
—Mari Yamaguchi, Quartz, 13 Mar. 2024
See all Example Sentences for reactor
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'reactor.' 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
“Reactor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reactor. Accessed 4 May. 2024.
Copy CitationKids Definition
reactor
noun
re·ac·tor
rē-ˈak-tər
1
: one that reacts
2
: a device for the controlled release of nuclear energy (as for producing heat)
Medical Definition
reactor
noun
re·ac·tor
rē-ˈak-tər
1
2
a
: a piece of equipment in which a chemical reaction and especially an industrial chemical reaction is carried out
b
: a device for the controlled release of nuclear energy (as for producing heat)
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