sr

  1. (initialism) .  state road/state route.
  2. (initialism) .  special relativity.
  3. (abbreviation) .  Senior; A title used after a father's name when his son is given the same name.
  4. (abbreviation) .  Sister; A title for a nun. .

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