RD

Rd is an abbreviation for road.

RD or Rd may also refer to: Recurring Deposit

Arts, entertainment, and media

• Real Drive, an anime by Production I.G
• RD (group), a British girl group also known as Ruff Diamondz
• Rilindja Demokratike, an Albanian newspaper
• Reader's Digest, a United States general-interest magazine

Businesses and organizations

• USDA Rural Development, an agency of the United States Department of Agriculture
• Ryan International Airlines (IATA airline designator RD)

Military decorations

• Reserve Decoration
  , an award for service in the Royal Navy Reserve of the United Kingdom
• Emblem for Reserve Force Service
  or Reserve Decoration, an award of the South African National Defense Force Military Reserve

Science, technology, and mathematics

Computing and mathematics

• Rata Die, a calendar-independent system to assign numbers to calendar dates
• Remote Desktop, a graphical interface to connect one computer to another over a network
• Rider (software)
  , a cross-platform IDE intended for C# and .NET development
• Route distinguisher, in data networking, a concept in Multiprotocol Label Switching
• Ruby Document format, a markup language used for documentation of Ruby programs

Health and medicine

• Restrictive dermopathy
• Reading disability, a condition resulting primarily from neurological factors
• Registered Dietitian, an expert in dietetics
• Retinal detachment, a disorder of the eye
• Risk difference, a term in epidemiology related to
  absolute risk reduction

Other uses in science and technology

• Rate–distortion optimization, a decision algorithm used in video compression
• Reaktivniy Dvigatel, a Soviet Russian prefix for an engine design series (literally, "reactive engine"; see RD-8 for example)
• Research and development
• Pratt & Whitney Rocketdyne, a United States rocket engine company
• Rutherford (unit), a unit of radioactivity

Other uses

• R^d, the mathematical domain of real numbers
• ‹rd›, a Latin alphabet digraph of a retroflex stop in Aboriginal Australian languages
• Repair Depot (e.g.,
  6 Repair Depot
  ), in military use
• Red Line (Washington Metro)
• Resident director
  , a common staff position at universities and colleges with on-campus housing
• Richmond and Danville Railroad
• rmdir, a shell command meaning "remove directory"
• Rural Dean, an ecclesiastical title in Anglicanism
• Rural delivery service, mail delivery in what are traditionally considered rural areas in the United States
• Dominican peso (currency symbol: RD$)
• An English-language ordinal indicator, for ordinal numbers ending in "third" (e.g. 3rd, 23rd, 33rd)
• A round or cartridge of ammunition
• An abbreviation of Regional district

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