hydrogenium

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English

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Noun

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hydrogenium (uncountable)

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

Latin

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

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Etymology

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Learned borrowing from French hydrogène.

Pronunciation

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Noun

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hydrogenium n (genitive hydrogeniī); second declension

  1. (New Latin, chemistry) hydrogen

Declension

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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
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