DX

Businesses

• Danish Air Transport (IATA code)
• DX Group, a British mail courier and logistics company
• Dynex Capital Inc, listed on the New York Stock Exchange, ticker symbol DX
• Sunray DX Oil Company, a former American petroleum company, now part of Sunoco

In science, technology, and mathematics

Biology and medicine

• Diagnosis, Dx or D_x in medical shorthand
• DX (Double crossover) molecule or motif, in DNA nanotechnology
• Digital radiography, in the DICOM standard

Computing and telecommunications

• Developer experience, the experience of using a product or service from a developer's perspective
• Dx, an abbreviation used in relation to the DOCSIS telecommunications standard
• DirectX, an application programming interface collection
• Double word eXternal, in the context of 386DX and 486DX CPUs
• DXing, in amateur radio and broadcasting
• DX register, a 16-bit general-purpose X86 processor register
• Digital transformation, the use of new digital technology in problem-solving applications

Photography

• DX encoding, a standard marking for 35 mm and APS film cartridges
• Nikon DX format, a sensor/lens format for Nikon cameras

Vehicles

• Albatros D.X, a 1918 German prototype single-seat fighter biplane
• Bavarian D X, an 1890 German saturated steam locomotive model
• Fokker D.X, a 1918 Dutch fighter aircraft
• The LNWR DX Goods Class, the largest class of British steam locomotives
• New Zealand DX class locomotive, operated by KiwiRail
• , codenamed DX, a late-Cold-War U.S. Navy gun-destroyer ship-class

Other uses in science, technology, and mathematics

• , in calculus, a differential in Leibniz's notation of a variable x
• Direct exchange (DX), direct exchange geothermal heat pump, an energy-efficiency environmental control cooling technology
• Yamaha DX Series, FM synthesizers produced by Yamaha Corporation

Other uses

• 510 (number), in Roman numerals, a number in the 500s range
• 510 AD, a year in the Common Era (CE), in Roman numerals
• DX, an emoticon; see List of emoticons
• DX as an abbreviation for "deluxe," often used in video game titles, i.e. Tetris DX, Mario Kart Arcade GP DX, Sonic Adventure DX
• Delta Chi, a social fraternity
• Deluxe (disambiguation)
• Dx (digraph), in linguistics
• U.S. Dollar Index, abbreviated USDX

See also

• D10 (disambiguation)
• DX1 (disambiguation)
• DX2 (disambiguation)
• DXS (disambiguation)