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An atom of said isotope weighs about 2 daltons, about twice as much as an atom of light hydrogen.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Synonym of deuterium. Full definition →
An atom of said isotope weighs about 2 daltons, about twice as much as an atom of light hydrogen.
Etymology from Wiktionary, CC BY-SA 4.0.