Latin edit

Chemical element
H
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Next: helium (He)

Pronunciation edit

Noun edit

hydrogenum n (genitive hydrogenī); second declension

  1. (New Latin, chemistry) Alternative form of hydrogenium

Declension edit

Second-declension noun (neuter).

Case Singular Plural
Nominative hydrogenum hydrogena
Genitive hydrogenī hydrogenōrum
Dative hydrogenō hydrogenīs
Accusative hydrogenum hydrogena
Ablative hydrogenō hydrogenīs
Vocative hydrogenum hydrogena