Di or DI may refer to:

Arts and media

Music

* Di, a tone in the solfège ascending chromatic scale existing between Do and Re * dizi (instrument) or di, a Chinese transverse flute * ''D.I.'' (band), a punk band from Southern California ** ''D.I.'' (EP), a 1983 EP by the same band above

Other media

* ''

The D.I. ''The D.I.'' (1957 in film, 1957) is a black-and-white military drama film starring and directed by Jack Webb. The film was produced by Webb's production company Mark VII Limited and distributed by Warner Bros. Webb's co-star was his future wife ...

'', 1957 military film by Jack Webb * '' Dagens Industri'', a Swedish financial newspaper *

DI.FM DI.FM (formerly known as Digitally Imported) is an Internet radio broadcaster consisting of over 90 channels dedicated to electronic music, such as house, trance, techno, drum and bass, and dubstep. DI.FM broadcasts handpicked selections consistin ...

, an internet radio service

Businesses and organisations

* Defence Intelligence, a UK military intelligence agency *

Defensa Interior Defensa Interior (DI) was an militant anarchist organisation, founded in September 1961 by the congress of the Movimiento Libertario Español (Spanish Libertarian Movement). It was disbanded by their 1965 congress. The aim of DI was to fight aga ...

, an anti-Franco militant anarchist group in 1960s Spain * Deseret Industries, an LDS thrift store *

Desert Inn The Desert Inn, also known as the D.I., was a hotel and casino on the Las Vegas Strip in Paradise, Nevada, which operated from April 24, 1950, to August 28, 2000. Designed by architect Hugh Taylor and interior design by Jac Lessman, it was the ...

, a former casino in Las Vegas * Direction Italy, a liberal-conservative political party in Italy * Dirgantara Indonesia, an Indonesian aircraft company *

Discovery Institute The Discovery Institute (DI) is a politically conservative non-profit think tank based in Seattle, Washington, that advocates the pseudoscientific concept Article available froUniversiteit Gent/ref> of intelligent design (ID). It was founded ...

, an intelligent design advocacy group *

Norwegian Air UK Norwegian Air UK Ltd was a British airline and a fully integrated subsidiary of low-cost airline Norwegian Air Shuttle, using its corporate identity. The airline operated Boeing 787-9 aircraft on scheduled services between Europe, Asia, and the ...

, a UK based airline (IATA designator) *

DynCorp International DynCorp (), formally DynCorp International, was an American private military contractor. Started as an aviation company, the company also provided flight operations support, training and mentoring, international development, intelligence training ...

, a major United States defense contractor

Education

* Diplomi-insinööri, a Finnish 6-year engineering degree *

Direct instruction Direct Instruction (DI) is a term for the explicit teaching of a skill-set using lectures or demonstrations of the material to students. A particular subset of direct instruction, denoted by capitalization as Direct Instruction, refers to a speci ...

, an instructional method focused on a systematic curriculum design

Natural sciences

* ''Di'', a prefix used in organic chemistry nomenclature *

Didymium Didymium ( el, , twin) is a mixture of the elements praseodymium and neodymium. It is used in safety glasses for glassblowing and blacksmithing, especially with a gas (propane)-powered forge, where it provides a filter that selectively blocks t ...

, a mixture of the elements praseodymium and neodymium once thought to be an element * Diopside, a clinopyroxene mineral * Band 3, a protein *

Deionized water Purified water is water that has been mechanically filtered or processed to remove impurities and make it suitable for use. Distilled water was, formerly, the most common form of purified water, but, in recent years, water is more frequently puri ...

, a type of water deprived of the dissolved impurities of ionic nature * ''

Diabetes insipidus Diabetes insipidus (DI), recently renamed to Arginine Vasopressin Deficiency (AVP-D) and Arginine Vasopressin Resistance (AVP-R), is a condition characterized by large amounts of dilute urine and increased thirst. The amount of urine produce ...

'', a disease * Iodothyronine deiodinase type I, one of a subfamily of enzymes important in the activation and deactivation of thyroid hormones * Dentinogenesis imperfecta a genetic disorder of tooth development

People

Ethnic groups

* Di (Five Barbarians) (), an ethnic group that overran northern China during the Sixteen Kingdoms period * Beidi or Northern Di (), ethnic groups living in northern China during the Zhou Dynasty

Individuals

* Di (surname) (狄), a Chinese surname sometimes also romanized ''Dee'', particularly: ** Di Renjie a Tang-dynasty official later fictionalized in a series of Chinese detective stories * A diminutive form of the names: ** Diana (given name) ** Diane (disambiguation) ** Dianne (disambiguation) *

Diana, Princess of Wales Diana, Princess of Wales (born Diana Frances Spencer; 1 July 1961 – 31 August 1997) was a member of the British royal family. She was the first wife of King Charles III (then Prince of Wales) and mother of Princes William and Harry. Her ac ...

(1961–1997), commonly known as Princess Di or Lady Di

Technology

Digital intermediate Digital intermediate (typically abbreviated DI) is a motion picture finishing process which classically involves digitizing a motion picture and manipulating the color and other image characteristics. Definition and overview A digital intermediate ...

, a filmmaking post-production process * Dependency injection, a method of decoupling components in software * DI unit or Direct Input box, an audio device used with PA systems and in sound recording studios *

DI register x86 (also known as 80x86 or the 8086 family) is a family of complex instruction set computer (CISC) instruction set architectures initially developed by Intel based on the Intel 8086 microprocessor and its 8088 variant. The 8086 was introd ...

, or destination index, in x86 computer architecture * Direction indicator, an instrument in aviation also known as a heading indicator * Direct ignition, see Distributor § Direct ignition * Direct injection, a type of

fuel injection Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines. All comp ...

Religion

* ''di'' (), a Chinese word employed in ** the temple names of deified Chinese emperors ** '' Shangdi'' (Chinese: , lit. "Lord on High"), the Chinese name for the supreme sky god either in native Chinese beliefs or in translation of monotheistic faiths like Christianity and Islam * ''di'' (Chinese concept) (), the concept of "earth" in traditional Chinese cosmologies * ''di'', an irregular Latin masculine plural of ''

deus ''Deus'' (, ) is the Latin word for "god" or "deity". Latin ''deus'' and ''dīvus'' ("divine") are in turn descended from Proto-Indo-European *'' deiwos'', "celestial" or "shining", from the same root as '' *Dyēus'', the reconstructed chief g ...

'' ("god", "deity")

Other uses

Detective Inspector Inspector, also police inspector or inspector of police, is a police rank. The rank or position varies in seniority depending on the organization that uses it. Australia In Australian police forces, the rank of inspector is generally the ne ...

, a rank in certain police forces *

Di (cuneiform) The cuneiform di sign, also de, ṭe, ṭi, and sumerograms DI and SÁ is a common-use sign of the ''Epic of Gilgamesh'', the 1350 BC Amarna letters, and other cuneiform texts. In the Akkadian language for forming words, it can be used syllabic ...

, an ancient written sign *

Diameter In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for ...

, the distance across the middle of a circle *

Di Department Di is a department or commune of Sourou Province in north-western Burkina Faso. Its capital lies at the town of Di.501 (number) 501 (five hundred ndone) is the natural number following 500 and preceding 502. 501 is the sum of the first eighteen primes. There are 501 degree-8 polynomials with integer coefficients, all of whose roots are in the unit disk. There are 501 way ...

in Roman numerals *

Disability insurance Disability Insurance, often called DI or disability income insurance, or income protection, is a form of insurance that insures the beneficiary's earned income against the risk that a disability creates a barrier for completion of core work func ...

, a form of insurance that insures the beneficiary's earned income against the risk that a disability will make working uncomfortable *

Hong Kong Document of Identity The Hong Kong Special Administrative Region Document of Identity for Visa Purposes () is a biometric travel document issued by the Hong Kong Immigration Department to residents of Hong Kong who are unable to obtain a national passport. It is ...

, issued by the Hong Kong Immigration Department *

Drill instructor A drill instructor is a non-commissioned officer in the armed forces, fire department, or police forces with specific duties that vary by country. Foot drill, military step, and marching are typically taught by drill instructors. Australia Austr ...

, a non-commissioned officer in many military or police forces