Protium meaning

prōtē-əm, prōshē-
The most abundant isotope of hydrogen, H-1, having one proton in the nucleus.
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The most common isotope of hydrogen, hydrogen-1, having a mass number of 1
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The most abundant isotope of hydrogen, having an atomic mass of 1. Its nucleus consists of a single proton.
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(physics) The lightest and most common isotope of hydrogen, having a single proton and no neutrons - 11H.

So far there are no differences among the protiums extracted at various labs, except for concentration levels.

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An atom of this isotope.
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A taxonomic genus within the family Burseraceae "” several fragrant trees.
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Origin of protium

  • from Ancient Greek πρῶτος (prōtos, “first") + -ium

    From Wiktionary