hydrogen-4

English

Etymology

So named because it is the isotope of hydrogen that has four nucleons (a proton and three neutrons).

Noun

hydrogen-4 (uncountable)

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