Dalton

  1. Proper noun.  Any of several places in the north of England and in Scotland.
  2. Proper noun.  (surname, habitational) .
  3. Proper noun.  John Dalton, English chemist.
  4. Proper noun.  (given name, male) transferred from the surname.
  5. Noun.  (chemistry) a former unit of atomic mass equivalent to 1/16 the mass of an oxygen atom; now replaced by the atomic mass unit (or dalton).
  6. Noun.  (context, physics) the atomic mass unit.

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This entry was last updated on RefTopia from its source on 3/20/2012.