hydrogen-1

Meanings

nounhydrogen-1 (uncountable)

uncountableSynonym of protium (“most common isotope of hydrogen”).
Synonyms: protium

nounSynonym of protium (“most common isotope of hydrogen”).

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Also see

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

Cite this entry

APA

hydrogen-1. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hydrogen-1

MLA

“hydrogen-1.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hydrogen-1. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hydrogen-1,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hydrogen-1.