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Webster 1913 Edition

Hydrogenium

Hyˊdro-ge′ni-um

,

Noun.

[NL. See

.]

(Chem.)

Hydrogen; – called also in view of its supposed metallic nature.

Graham.

Definition 2024

hydrogenium

hydrogenium

English

Noun

hydrogenium ‎(uncountable)

(obsolete, chemistry) hydrogen, especially when formerly considered as a metal

Latin

Chemical element
H
H	Next: helium (He)

Alternative forms

hydrogenum

Etymology

New Latin, a learned borrowing from French hydrogène.

Pronunciation

(Ecclesiastical) IPA^(key): /iˈdro.d͡ʒe.ni.um/, [iˈdrɔːd͡ʒenium], [iˈdrɔːd͡ʒenjum]

Noun

hydrogenium n ‎(genitive hydrogeniī); second declension

(New Latin, chemistry) hydrogen

Inflection

Second declension.

Case	Singular	Plural
nominative	hydrogenium	hydrogenia
genitive	hydrogeniī	hydrogeniōrum
dative	hydrogeniō	hydrogeniīs
accusative	hydrogenium	hydrogenia
ablative	hydrogeniō	hydrogeniīs
vocative	hydrogenium	hydrogenia

Related terms

hydrologia