atomic weight

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atomic weight (plural atomic weights)

  1. (physics) Former term for the more specific relative atomic mass.
    • 1922, Leicester F. Hamilton, Calculations of Analytical Chemistry, page 38:
      The equivalent weight of an element or compound is that weight equivalent in reactive power to one atomic weight of hydrogen.
  2. (physics) A term used to represent the mean relative atomic mass of an element in nature, as distinct from the relative atomic mass of a single isotope.




  • Под редакцией проф., д-ра физ.-мат. наук Д. М. Толстого, editor (1968), Англо-русский физический словарь. Около 60 000 терминов. (in Russian), М.: "Сов. Энциклопедия", page 816
  • Новиков В.Д. with Погребная Л.Л., Борщ В.М. (1995) Физический словарь (английский, немецкий, французский, русский): 10 943 термина (in Russian), М.: РУССО, →ISBN, page 34