atomic weight

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See also: atomic-weight



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.


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