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  1. Heavy water - Wikipedia

    Heavy water (deuterium oxide, 2 H 2O, D 2O) is a form of water in which hydrogen atoms are all deuterium (2 H or D, also known as heavy hydrogen) rather than the common hydrogen-1 isotope (1 …

  2. Heavy water | Definition, Formula, Preparation, & Facts | Britannica

    Dec 11, 2025 · Heavy water is water composed of deuterium, the hydrogen isotope with a mass double that of ordinary hydrogen, and oxygen.

  3. What's The Difference Between Regular Water And 'Heavy Water'?

    Oct 19, 2023 · Heavy water or deuterium oxide (d2o) is a liquid with similar chemical properties to regular water but has different uses due to its greater mass and density.

  4. What Is Heavy Water and What Is It Used For? - Production and Uses

    Apr 14, 2025 · What is heavy water and what is it used for? Heavy water is a clear liquid that looks identical to ordinary water, but its formula includes two deuterium atoms and one oxygen atom (D₂O).

  5. Heavy Water: Definition, Preparation, and Uses

    What is heavy water. Learn its formula, properties, preparation, uses, and applications. Compare and contrast light water vs. heavy water.

  6. What Is Heavy Water in Chemistry and Why It Matters?

    Apr 29, 2025 · Discover the unique properties of heavy water, its role in scientific research, and how its isotopic composition influences chemical and physical behavior.

  7. HEAVY WATER Definition & Meaning - Merriam-Webster

    The meaning of HEAVY WATER is the compound D2O composed of deuterium and oxygen —called also deuterium oxide.

  8. Heavy water: what is it and what is it for - Evidence Network

    Jul 17, 2025 · Heavy water is a liquid of identical appearance to common water, in which common hydrogen atoms are replaced by a heavier isotope, deuterium. Heavy water is mainly used in the …

  9. HEAVY WATER Definition & Meaning | Dictionary.com

    HEAVY WATER definition: water in which hydrogen atoms have been replaced by deuterium, used chiefly as a coolant in nuclear reactors. See examples of heavy water used in a sentence.

  10. Heavy Water: Definition, Uses & Importance Explained - Vedantu

    What is heavy water? Learn its definition, uses in science, and why heavy water matters for students.