RD

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Rd or RD may refer to:

Military[edit]

Media and entertainment[edit]

Science and technology[edit]

Medicine[edit]

Mathematics[edit]

  • Rata Die, a calendar-independent system to assign numbers to calendar dates
  • Rd, the mathematical domain of real numbers

Computing[edit]

  • rd, also called rmdir, a shell command meaning "remove directory"
  • Ruby Document format, a markup language used for documentation of Ruby programs
  • Route distinguisher, in data networking, a concept in Multiprotocol Label Switching

Geography[edit]

Other[edit]

See also[edit]