Webster’s Revised Unabridged Dictionary · 1913
Hydrogenium
Hy′dro·ge′ni·um (·jē′nĭ·ŭm), n. [NL. See Hydrogen.] (Chem.) Hydrogen; — called also in view of its supposed metallic nature. Graham.
Webster’s Revised Unabridged Dictionary · 1913
Hy′dro·ge′ni·um (·jē′nĭ·ŭm), n. [NL. See Hydrogen.] (Chem.) Hydrogen; — called also in view of its supposed metallic nature. Graham.