heavy water

noun
|Updated on: 21 Jul 2018

Definition of heavy water

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

Recent Examples of heavy water from the Web

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First Known Use of heavy water

1933

in the meaning defined at sense 1

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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

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