hydrogen_atom
1. [ noun ] (chemistry,physics) an atom of hydrogen
Related terms: atom acid_hydrogen deuterium hydrogen_ion
Similar spelling:   hydrogen_bomb
  hydrogen-bomb
  hydrogen_bromide
  hydrogenate
  hydrogen_azide
  hydrogenated
  hydrogen_ion
  hydrogenation
  hydrogen_bond
  hydrogen_iodide
  hydrogen_sulfide
  hydrogen_cyanide
  hydrography