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hydrogenium

From Wiktionary, the free dictionary

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 (edit)
H
Atomic number 1
hydrogenium
Alternative names: hydrogenum
Classification data
Period 1
Group 1
Block s-block
Class nonmetal
Previous: —
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).

singular plural
nominative hydrogenium hydrogenia
genitive hydrogeniī hydrogeniōrum
dative hydrogeniō hydrogeniīs
accusative hydrogenium hydrogenia
ablative hydrogeniō hydrogeniīs
vocative hydrogenium hydrogenia
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