How to Use heavy water in a Sentence

heavy water

noun
  • Now, here's what heavy water is.
    — Keith Cooper, Space.com, 17 Oct. 2025
  • Solar evaporation can take up to two years and requires dry climates, flat land, and heavy water use.
    — Neetika Walter, Interesting Engineering, 21 Jan. 2026
  • At the time of the sample collection, Rosetta had been flying through dust that contained heavy water.
    — Quanta Magazine, 12 June 2026
  • No planets have yet been detected in that disk, although any comets that may have formed already will mirror this high ratio of heavy water.
    — Keith Cooper, Space.com, 17 Oct. 2025
  • Like ordinary water, heavy water pairs two hydrogen atoms with one oxygen atom to make each molecule of moisture.
    — Joseph Howlett, Scientific American, 24 Apr. 2026
  • During that event, students will walk around the campus to see how heavy water feels when carrying it for long distances, Merlo said.
    — Julianna Lozada, Daily News, 23 Apr. 2026
  • The partners worked on pairing fibers and constructions with wash techniques that do not require heavy water and chemical resources.
    — Angela Velasquez, Footwear News, 21 Apr. 2026
  • To test these theories, astronomers like me look at the ratio between normal water and a special kind of water called semi-heavy water.
    — John Tobin, The Conversation, 16 Mar. 2023
  • The strikes on the Khondab heavy water complex did not cause any casualties, a provincial official said in a statement to the Fars news agency.
    — Sean Nevin, NBC news, 27 Mar. 2026
  • The researchers also measured the rotational mobility of heavy water molecules in this phase.
    — Neetika Walter, Interesting Engineering, 23 Sep. 2025
  • Semi-heavy water is made of one oxygen atom, one hydrogen atom and one atom of deuterium – a heavier isotope of hydrogen with an extra neutron in its nucleus.
    — John Tobin, The Conversation, 16 Mar. 2023
  • Among Americans’ many concerns about data centers—from the constant humming sound to high electricity prices—heavy water consumption stands out.
    — Jacqueline Munis, Fortune, 22 June 2026
  • Residents and members of the council have also expressed concerns about data centers’ typically heavy water usage.
    — Aliana Mediratta, Los Angeles Times, 1 Feb. 2026
  • Israel struck the Arak heavy water reactor twice over the last year — in June 2025 and in March 2026.
    — Benjamin Weinthal, FOXNews.com, 9 May 2026
  • Why the Khondab site matters The Khondab plant produces heavy water, a material used to cool certain types of nuclear reactors.
    — Sujita Sinha, Interesting Engineering, 30 Mar. 2026
  • The Arak heavy water reactor, 155 miles southwest of Tehran, was never completed before those June strikes.
    — CBS News, 28 Mar. 2026
  • Specifically, cold temperatures greatly favor reactions that pump up the amount of heavy water relative to everyday water.
    — Joseph Howlett, Scientific American, 24 Apr. 2026
  • The dishwasher can efficiently and effectively clean a wide range of cooking and serving supplies, but items made of wood do not fare well under the high temperature, heavy water pressure, and harsh soaps used by this machine.
    — Taylor Tobin, Southern Living, 26 Nov. 2025
  • Heisenberg received 150 liters (some 40 gallons) of heavy water from Norway, which had been occupied the previous fall by the German army.
    — Literary Hub, 23 Oct. 2025
  • Off Brazil’s northeastern coast, where the sediment-heavy water of the vast Amazon River tips out into the Atlantic, are two very different types of treasure.
    — Laura Paddison, CNN Money, 10 Nov. 2025
  • The plans for its construction previously raised concerns in Israel and in the West, because heavy water can be used to produce plutonium – a pathway to a potential nuclear bomb.
    — Ivana Kottasová, CNN Money, 27 Mar. 2026
  • The fact that Earth has less semi-heavy water than comets and V883 Ori, but more than chemical reset theory would produce, means that water on Earth likely came from more than one source.
    — John Tobin, The Conversation, 16 Mar. 2023
  • Those contracts call for Next Hydrogen to design and deliver an electrolyzer that extracts tritium from heavy water, a critical process for preparing fuel used in future fusion reactors.
    — Aamir Khollam, Interesting Engineering, 30 June 2026
  • Chemical models and experiments have shown that about 1,000 times more semi-heavy water will be produced in the cold interstellar medium than in the conditions of a protoplanetary disk.
    — John Tobin, The Conversation, 16 Mar. 2023
  • Residents who spoke Tuesday said a data center would bring heavy water and energy use, risks to drinking water and Lake Michigan fresh water, higher utility costs, noise and limited job creation.
    — Addison Wright, Chicago Tribune, 29 Apr. 2026
  • Data centers opponents often cite the facilities' heavy water and energy use, but Caledonia residents have other concerns — including a process that seemed secretive and lacking in details.
    — Ricardo Torres, jsonline.com, 9 Oct. 2025
  • The organization will partner with development banks and financial institutions with the intention of improving water systems against droughts and eventually strengthen job creation from jobs requiring heavy water usage.
    — Sasha Rogelberg, Fortune, 23 Apr. 2026
  • More cracks appeared in the comet theory during the 1990s and 2000s, when spectroscopic observations of other comets, like Hale-Bopp, also found evidence of heavy water.
    — Quanta Magazine, 12 June 2026
  • The International Atomic Energy Agency concluded Sunday that Iran’s Khondab heavy water production plant had sustained severe damage from a strike.
    — Patrick Sykes, Fortune, 29 Mar. 2026
  • Over the weekend, the IDF struck two steel plants in Iran, including one that uses radioactive material, the UN’s nuclear watchdog said, as well as a heavy water plant in Arak, which includes key production sites for plutonium.
    — Sophie Tanno, CNN Money, 29 Mar. 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'heavy water.' 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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