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heavy water

noun

Definition of heavy water

1 :the compound D2O composed of deuterium and oxygen — called also deuterium oxide
2 :water enriched in deuterium

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First Known Use of heavy water

1933

Medical Dictionary

heavy water

noun

medical Definition of heavy water

1 :the compound D2O composed of deuterium and oxygen — called also deuterium oxide
2 :water having a higher-than-usual proportion of deuterium among its hydrogen atoms

Learn More about heavy water

  1. See words that rhyme with heavy water Britannica.com: Encyclopedia article about heavy water

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