hydrogenium

English

Noun

hydrogenium (uncountable)

(obsolete) Hydrogen, especially when formerly considered as a metal.

Latin

Chemical element
H
Previous: neutronium (nn)
Next: helium (He)

Alternative forms

hydrogenum

Etymology

Learned borrowing from French hydrogène.

Pronunciation

(Classical) IPA^(key): /hy.droˈɡe.ni.um/, [hʏd̪rɔˈɡɛniʊ̃ˑ]

(Ecclesiastical) IPA^(key): /i.droˈd͡ʒe.ni.um/, [id̪roˈd͡ʒɛːnium]

Noun

hydrogenium n (genitive hydrogeniī); second declension

(New Latin, chemistry) hydrogen

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	hydrogenium	hydrogenia
Genitive	hydrogeniī	hydrogeniōrum
Dative	hydrogeniō	hydrogeniīs
Accusative	hydrogenium	hydrogenia
Ablative	hydrogeniō	hydrogeniīs
Vocative	hydrogenium	hydrogenia

Related terms

hydrologia

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