🇬🇧 en nl 🇳🇱

hydrogen noun

  /ˈhaɪdɹəd͡ʒən/ , [ˈhaɪdɹəd͡ʒən] , [ˈhaɪd͡ʒɹəd͡ʒən]
  • The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
  • A molecule of this molecular species
 waterstof

hydrogenation noun

  • (chemistry) The chemical reaction of hydrogen with another substance, especially with an unsaturated organic compound, and usually under the influence of temperature, pressure and catalysts.
 hydrogenering
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