heavy water
noun
1
: the compound D2O composed of deuterium and oxygen
called also deuterium oxide
2
: water enriched in deuterium
Examples of heavy water in a Sentence
Recent Examples on the Web
Israel's military said its fighter jets targeted the Arak heavy water reactor, some 155 miles southwest of Tehran, to prevent it from being used to produce plutonium.
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Arkansas Online, 20 June 2025
Iran agreed to redesign Arak to address nuclear concerns
Israel’s military said Thursday its fighter jets targeted the Arak heavy water reactor, some 155 miles southwest of Tehran, in order to prevent it from being used to produce plutonium.
—Sam Mednick, Los Angeles Times, 19 June 2025
The Israeli military, meanwhile, struck a heavy water reactor part of Iran’s nuclear program.
—Sarah Fortinsky, The Hill, 19 June 2025
The Arak heavy water reactor 155 miles southwest of Tehran on Saturday.
—Sara Monetta, NBC news, 19 June 2025
See All Example Sentences for heavy water
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Arkansas Online, 20 June 2025
Iran agreed to redesign Arak to address nuclear concerns
Israel’s military said Thursday its fighter jets targeted the Arak heavy water reactor, some 155 miles southwest of Tehran, in order to prevent it from being used to produce plutonium.
—Sam Mednick, Los Angeles Times, 19 June 2025
The Israeli military, meanwhile, struck a heavy water reactor part of Iran’s nuclear program.
—Sarah Fortinsky, The Hill, 19 June 2025
The Arak heavy water reactor 155 miles southwest of Tehran on Saturday.
—Sara Monetta, NBC news, 19 June 2025
See All Example Sentences for heavy water
Cite this Entry
“Heavy water.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heavy%20water. Accessed 7 Jul. 2025.
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