reactor
noun
re·ac·tor
rē-ˈak-tər 
Examples of reactor in a Sentence
Recent Examples on the Web
The reactors provide a minimum of two seconds residence time at high temperature—sufficient to reach thermal equilibrium—but are designed for up to six seconds for robustness and complete molecular breakdown.
—
David Blekhman, Forbes.com, 9 July 2025
Constellation and Microsoft plan to restart the reactor as early as 2027 at what is now called Crane Energy Center.
—Bret Baier , Amy Munneke, FOXNews.com, 3 July 2025
India agreed to safeguards designed to prevent the reactors and fuel from being used for weapons.
—Dan De Luce, NBC news, 28 June 2025
Iran’s Arak reactor was destroyed and, with it, any near-term chance that Iran could produce weapons-grade plutonium.
—Richard Nephew, Foreign Affairs, 26 June 2025
See All Example Sentences for reactor
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David Blekhman, Forbes.com, 9 July 2025
Constellation and Microsoft plan to restart the reactor as early as 2027 at what is now called Crane Energy Center.
—Bret Baier , Amy Munneke, FOXNews.com, 3 July 2025
India agreed to safeguards designed to prevent the reactors and fuel from being used for weapons.
—Dan De Luce, NBC news, 28 June 2025
Iran’s Arak reactor was destroyed and, with it, any near-term chance that Iran could produce weapons-grade plutonium.
—Richard Nephew, Foreign Affairs, 26 June 2025
See All Example Sentences for reactor
Cite this Entry
“Reactor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reactor. Accessed 21 Jul. 2025.
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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