hydrogen-1

English

Etymology

So named because it is the isotope of hydrogen that has one nucleon (a single proton and no neutrons).

Noun

hydrogen-1 (uncountable)

  2. Synonym of protium (“most common isotope of hydrogen”).
    Alternative form: hydrogen 1
    Coordinate terms: hydrogen-2, hydrogen 2; hydrogen-3, hydrogen 3; hydrogen-4, hydrogen 4
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