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
The team also oversaw the removal of heavy water, a substance used as a coolant in nuclear reactors, and irradiated fuel, nuclear fuel that can be reprocessed to extract materials for nuclear weapons.
—
Eric Cheung, CNN, 1 Mar. 2025
To spot neutrinos colliding with atoms in the atmosphere, experiments have buried 1,000 tons of heavy water, woven cameras through a cubic kilometer of Antarctic ice, and planned to deploy 200,000 antennas.
—Matt Von Hippel, Ars Technica, 25 Nov. 2024
Notwithstanding its affirmations of Iranian compliance, the IAEA has acknowledged that Iran violated the JCPOA twice by exceeding its limit on heavy water, a key material for the production of a plutonium bomb.
—Tzvi Kahn, Foreign Affairs, 16 Feb. 2017
This geometric frustration is even worse in ices made of heavy water, whose hydrogen atoms have a neutron as well as a proton—a problem for scientists who use heavy ices in experiments to reveal ice crystals’ precise structures.
—Elise Cutts, Scientific American, 19 Mar. 2024
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Eric Cheung, CNN, 1 Mar. 2025
To spot neutrinos colliding with atoms in the atmosphere, experiments have buried 1,000 tons of heavy water, woven cameras through a cubic kilometer of Antarctic ice, and planned to deploy 200,000 antennas.
—Matt Von Hippel, Ars Technica, 25 Nov. 2024
Notwithstanding its affirmations of Iranian compliance, the IAEA has acknowledged that Iran violated the JCPOA twice by exceeding its limit on heavy water, a key material for the production of a plutonium bomb.
—Tzvi Kahn, Foreign Affairs, 16 Feb. 2017
This geometric frustration is even worse in ices made of heavy water, whose hydrogen atoms have a neutron as well as a proton—a problem for scientists who use heavy ices in experiments to reveal ice crystals’ precise structures.
—Elise Cutts, Scientific American, 19 Mar. 2024
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 May. 2025.
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