Look up FD in Wiktionary, the free dictionary.

FD or similar may refer to:

Science and technology

• Canon FD lens mount, a standard for connecting a lens to a camera
• Familial dysautonomia, a disorder of the autonomic nervous system
• Fermi–Dirac statistics (F–D statistics), in quantum statistics
• Ferredoxin, iron–sulfur proteins
• File descriptor, in Unix and related computer operating systems
• Freedesktop.org (fd.o), an interoperability project
• Functional dependency, a constraint in a relation from a database
• Nissan FD engine, for trucks and buses

Transportation

• Thai AirAsia, IATA airline code FD
• Mazda RX-7 (FD), a car
• FD Phantom, original name for the FH Phantom jet fighter
• Russian locomotive class FD
• Flight director (aeronautics), a flight instrument
• Flying Dutchman (dinghy)

Other uses

• Fidei defensor (Latin, 'Defender of the Faith'), part of the full style of many English/British monarchs
• Fixed deposit, a financial instrument
• Finance Director, or chief financial officer, in a company
• Fire Department, providing firefighting services
• Force of the Right (Forța Dreptei), a Romanian political party

See also

• All pages with titles containing FD
• Floppy disk drive (FDD) in early computers

This disambiguation page lists articles associated with the title FD.
If an internal link led you here, you may wish to change the link to point directly to the intended article.