From Wikipedia, the free encyclopedia
D is the fourth letter of the Latin alphabet. It can also refer to the following:
[edit] Business and economy
[edit] Computing
- D, the name of various programming languages:
- D, the "Minimal Protection" security division in the TCSEC
- d (short for daemon), a suffix often added to the name of a computer program that runs as a background process
- .d, a file format used for Agilent MassHunter mass spectrometry software
[edit] Entertainment and film
- D (film), a 2005 Bollywood film
- D Magazine, a magazine for the city of Dallas, Texas
- D, a weekly supplement to the Italian newspaper la Repubblica
- D (video game), a game released in the mid-1990s for the PC, 3DO, PlayStation and Sega Saturn
- Count D, a character in the anime/manga series Pet Shop of Horrors
- Vampire Hunter D, the title character in a series of novels by Hideyuki Kikuchi
- D, one of the characters in Another Code: Two Memories (Trace Memory)
- Initial D, a Japanese manga and anime about mountain drifting that has spawned several arcade and console games
- Substance D, a fictional recreational drug in the novel and film A Scanner Darkly
- D (musical note)
- The D major scale or chord
- The D minor scale or chord
- The prefix "D." to a piece of music by Franz Schubert, indicating its number in the catalogue of Otto Deutsch
- "The D", one of the names of comedy rock band Tenacious D
- "d:" or "d:?", often used to refer to the Christian rock band Delirious?
- D (Japanese band), a Japanese visual kei band
- "D!" or "Dee!", names of Detlef Soost, a German dancer and choreographer
- D (Os Paralamas do Sucesso album), album by Brazilian band Os Paralamas do Sucesso released in 1987
- D (album), a 2004 album by Japanese hard rock artist Des-ROW
- D, the bass player for Australian band Testeagles
- D Records, a former record label in Houston, Texas
- Substance D, a drum and bass compilation album by Dieselboy
[edit] Science
[edit] Astronomy
[edit] Chemistry and biology
- D, the symbol for aspartic acid in biochemistry
- D, the symbol of deuterium, an isotope of hydrogen, in chemistry
- Vitamin D
- ATC code D Dermatologicals, a section of the Anatomical Therapeutic Chemical Classification System
[edit] Genetics
[edit] Geography
[edit] Mathematics
- d, the symbol for the total differential operator (partial differentials use ∂)
- D, often used as a digit meaning thirteen in hexadecimal and other positional numeral systems with a radix of 14 or greater
- Blackboard bold
, representing the unit disk in the complex plane, or the decimal fractions (see number)
- d, often a variable for the diameter of a circle in geometry
- D and d, the derivative operators
- D, the number five hundred in Roman numerals
[edit] Physics
, the recommended symbol for electric displacement field- d, the recommended symbol for: thickness, diameter, relative density (mechanics), lattice plane spacing (solid state physics), and degeneracy of vibrational mode, in molecular spectroscopy
- d, the symbol of the deuteron in particle physics
- D, the symbol for debye, a unit of electrical dipole moment
- D, a standard size dry cell battery in electronics
- D, the name of mesons containing charm quarks in particle physics
- D, the recommended symbol for diffusion coefficient in molecular physics
- In solid state physics:
- D, the standard abbreviation for an electronic diode, used e.g. in circuit diagrams
[edit] Other science
- D region, part of the ionosphere in earth science
- D, standing for demand in economics
- d (deci), the SI prefix meaning one tenth, 10-1
- d, the symbol for day in metrology
[edit] Other uses
- D, in American politics, often used as an abbreviation for a Democrat (member of the Democratic Party)
- D, a brassiere cup size
- d, used in role-playing games to denote the number of sides of dice
- d (from the Latin denarius), an abbreviation for the British one penny coin (pre-decimal)
- d is the common US measurement of the penny size (an approximation of length) of a nail (derived from denarius- as above)
- D, in calendars an abbreviation for the month December
- D (grade), a below average grade in education
- D (drive), the forward cruising gears in an automatic transmission
- D (New York City Subway service)
- In radio, the NATO D band, ranging from 1 to 2 GHz
- D, often used in sports as an abbreviation for defense
- D/, used to denote the dominant person in a BSDM relation
- superscript D, the abbreviation for Dingir, the Sumerian sign for "deity"
- D's, colloquial term for Dayton wire wheels
- d., died
- d, daughter
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