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heavy hydrogen

noun

  1. either of the heavy isotopes of hydrogen, especially deuterium.

heavy hydrogen

noun

  1. See deuterium
    another name for deuterium

heavy hydrogen

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Word History and Origins

Origin of heavy hydrogen1

First recorded in 1930–35

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Example Sentences

Now a complete list of your uranium-refining plants, your military reactors, heavy-water and heavy-hydrogen plants, and so on.

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