hydrogen

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English[edit]

Chemical element
H Next: helium (He)

Etymology[edit]

From French hydrogène, coined by Louis-Bernard Guyton de Morveau, from Ancient Greek ὕδωρ (húdōr, water) + γεννάω (gennáō, I bring forth). Corresponding to hydro- +‎ -gen.

Pronunciation[edit]

Noun[edit]

hydrogen (countable and uncountable, plural hydrogens)

  1. The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794.
    1. An atom of the element.
  2. Molecular hydrogen (H2), a colourless, odourless and flammable gas at room temperature.
    1. A molecule of this molecular species
  3. A sample of the element/molecule.

Synonyms[edit]

element
molecule

Hyponyms[edit]

isotopes
molecule

Derived terms[edit]

Related terms[edit]

Descendants[edit]

  • Burmese: ဟိုက်ဒရိုဂျင် (huikda.ruigyang)

Translations[edit]

References[edit]

Further reading[edit]

Danish[edit]

Noun[edit]

hydrogen n (singular definite hydrogenet, not used in plural form)

  1. hydrogen
    Synonym: brint

Norwegian Bokmål[edit]

Chemical element
H Next: helium (He)
Norwegian Wikipedia has an article on:
Wikipedia no

Noun[edit]

hydrogen n (definite singular hydrogenet) (uncountable)

  1. hydrogen (chemical element, symbol H)

Derived terms[edit]

Norwegian Nynorsk[edit]

Chemical element
H Next: helium (He)
Norwegian Nynorsk Wikipedia has an article on:
Wikipedia nn

Noun[edit]

hydrogen n (definite singular hydrogenet) (uncountable)

  1. hydrogen (chemical element, symbol H)

Derived terms[edit]

Welsh[edit]

Chemical element
H Next: heliwm (He)
Welsh Wikipedia has an article on:
Wikipedia cy

Etymology[edit]

Borrowed from English hydrogen, from French hydrogène, from Ancient Greek ὕδωρ (húdōr, water) + γεννάω (gennáō, I bring forth).

Pronunciation[edit]

Noun[edit]

hydrogen m (uncountable, not mutable)

  1. hydrogen
    Synonyms: ulai, ulnwy

Derived terms[edit]

Further reading[edit]

  • R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “hydrogen”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies