Di

Look up di or Di in Wiktionary, the free dictionary.

Di or DI may refer to:

People

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:
Princess Di, a common name for Diana, Princess of Wales (1961–1997)

The Northern Di or Beidi (狄), ethnic groups living in northern China during the Zhou Dynasty
Di (Wu Hu) (氐), a different ethnic group that overran northern China during the Sixteen Kingdoms period

Di Department, one of the eight departments of the Sourou Province in Burkina Faso

Di, prefix used in organic chemistry nomenclature
Didymium, a mixture of the elements praseodymium and neodymium once thought to be an element
Democracy Index

Band 3, a protein
Deionized water (DI water), a type of water deprived of the dissolved impurities of ionic nature
Diabetes insipidus, a disease
Iodothyronine deiodinase type I

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
Digitally Imported, an internet radio service
DI register, or destination index, in x86 computer architecture
Direction Indicator, an instrument in aviation also known as a Heading indicator
Direct Injection, a type of fuel injection
Diagnostic Imaging

Deseret Industries, an LDS thrift store
Destination ImagiNation, an international creative problem solving organization for children
Defensa Interior, an anti-Franco militant anarchist group in 1960s Spain
DynCorp International, a major United States defense contractor
Dimensional Insight, a business intelligence company
Discovery Institute, an intelligent design advocacy group
Dogwood Initiative, a Canadian non-profit public interest group based in Victoria, British Columbia

Detective Inspector, a police rank
Drill instructor, a non-commissioned officer or Staff Non-Commissioned Officer in the armed forces or police forces with specific duties that vary by country
The D.I. (film), 1957 military film by Jack Webb
Direct impingement, a class of firearm gas operation mechanism

D.I. (band), a punk band from Southern California
- D.I. (EP), a 1983 EP by the same band above
Despised Icon, a Canadian deathcore band
Di, a tone in the solfège ascending chromatic scale existing between Do and Re

501 (number) in Roman numerals
DHARMA Initiative, a fictional research project
Digital Intermediate, the digital equivalent of intermediate film prints
Diplomi-insinööri, a Finnish 6-year engineering degree
Direct Ignition, see Distributor#Direct ignition
Direct Instruction, an instructional method focused on a systematic curriculum design
Disposable Income, total personal income minus personal current taxes
Document of Identity issued by the Hong Kong Immigration Department
Diameter, the distance across the middle of a circle
Disability insurance, a form of insurance that insures the beneficiary's earned income against the risk that a disability will make working uncomfortable
di (帝), a Chinese word employed in
- the temple names of deified Chinese emperors
- Shangdi (Chinese: 上帝, 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) (地), the concept of "earth" in traditional Chinese cosmologies
di, an irregular Latin masculine plural of deus ("god", "deity")
The dizi (musical instrument), a Chinese transverse flute