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. The isotope hydrogen-1 (also symbol H), contrasting with deuterium and tritium
    Synonym: protium
    • Hydrogen is generally considered to be electronically the same as deuterium. [] In both PdHx and PdDx [] a resistivity maximum is found near 50 K.
  4. 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