deuterium definition

  • noun:
    • An isotope of hydrogen with one proton plus one neutron in nucleus having an atomic body weight of 2.014.
    • An isotope of hydrogen formed of just one proton plus one neutron in each atom - 21H.
    • An atom of the isotope.
    • an isotope of hydrogen with one neutron (instead of zero neutrons in hydrogen)

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    • The steady isotope of hydrogen. This…
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    • A non-radioactive isotope of hydrogen that…
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