PDI may refer to:

Organisations

* PDI Technologies, software and solutions company for convenience retail and wholesale petroleum industry * Investigations Police of Chile ( es, Policia de Investigaciones de Chile), the state police force of Chile *

Party for Justice and Integration Party for Justice and Integration ( sq, Partia për Drejtësi dhe Integrim, or PDI), was a political party in Albania that represented the Cham Albanians in politics. In February 2011, it dissolved into the Party for Justice, Integration and Unity ...

( sq, Partia për Drejtësi dhe Integrim), an Albanian political party * Pacific Data Images, former American computer animation production company * ''

Philippine Daily Inquirer The ''Philippine Daily Inquirer'' (''PDI''), or simply the ''Inquirer'', is an English-language newspaper in the Philippines. Founded in 1985, it is often regarded as the Philippines' newspaper of record. The newspaper is the most awarded br ...

'', a broadsheet newspaper in the Philippines and the Philippines' newspaper of record * Plumbing & Drainage Institute, an American plumbing products manufacturers certification organization *

Ideal Democratic Party The Ideal Democratic Party (, PDI) is a political party in Rwanda. History The party was established as the Islamic Democratic Party (''Parti Démocratique Islamique'') in 1992.Tom Lansford (2014) ''Political Handbook of the World 2014'', CQ Pr ...

, political party in Rwanda * ''Partai Demokrasi Indonesia'' (

Indonesian Democratic Party The Indonesian Democratic Party (PDI) was one of the two state-approved parties during the New Order era of the late 20th-century in Indonesia. Origins Ten political parties participated in the 1971 legislative elections, a number that Pres ...

) (1973–2004), a defunct political party * ''Polo Democrático Independiente'' (

Independent Democratic Pole The Independent Democratic Pole (''Polo Democrático Independiente'') or (PDI), was a left-wing social democratic political party in Colombia. Origins Originally formed as a left-wing congressional coalition, the party itself was officially found ...

), a Colombian leftwing social democratic political party

Chemistry and biochemistry

* Pyridinediimine, organic compounds used as ligands * Perylenediimide, a member of the

rylene dye A rylene dye is a dye based on the rylene framework of naphthalene units linked in peri-positions. In homologues additional naphthalene units are added, forming compounds — or ''poly(peri-naphthalene)s'' — such as perylene, terrylene and qua ...

s * Protein dispersibility index, a means of comparing the solubility of a protein in water *

Protein disulfide isomerase Protein disulfide isomerase (), or PDI, is an enzyme in the endoplasmic reticulum (ER) in eukaryotes and the periplasm of bacteria that catalyzes the formation and breakage of disulfide bonds between cysteine residues within proteins as the ...

, an enzyme which catalyzes the formation and breakage of disulfide bonds in proteins *

Polydispersity index In chemistry, the dispersity is a measure of the heterogeneity of sizes of molecules or particles in a mixture. A collection of objects is called uniform if the objects have the same size, shape, or mass. A sample of objects that have an inconsi ...

, a deprecated term for the molecular weight distribution of polymers

Computing

* Pentaho Data Integration, Pentaho Data Integration (PDI, also called Kettle) is the component of Pentaho responsible for the Extract, Transform and Load (ETL) processes. * Personal Data Interchange, an information sharing standard developed by the

Versit Consortium The versit Consortium was a multivendor initiative founded by Apple Computer, AT&T, IBM and Siemens in the early 1990s in order to create Personal Data Interchange (PDI) technology, open specifications for exchanging personal data over the Inter ...

* Portable Database Image (.pdi), a file format to store structured databases for reporting and analysis in a highly compressed way *

Program and Debug Interface AVR is a family of microcontrollers developed since 1996 by Atmel, acquired by Microchip Technology in 2016. These are modified Harvard architecture 8-bit RISC single-chip microcontrollers. AVR was one of the first microcontroller families t ...

, an Atmel proprietary interface for external programming and on-chip debugging of computing devices. * Projected Digital image, a digital image used for projection, often in the context of a photographic competition

Other

* Postal Development Indicator, a ranking developed by the Universal Postal Union *

Peripheral drift illusion The peripheral drift illusion (PDI) refers to a motion illusion generated by the presentation of a sawtooth luminance grating in the visual periphery. This illusion was first described by Faubert and Herbert (1999), although a similar effect ca ...

, a motion illusion generated by the presentation of a sawtooth luminance grating in the visual periphery *

Pilot direction indicator A pilot direction indicator or pilot's directional indicator (PDI), Smithsonian Institution is an aircraft instrument used by bombardiers to indicate heading changes to the pilot in order to direct them to the proper location to drop bombs. The PDI ...

, an aircraft instrument that guides a bomber pilot during a bomb run * Power Distance Index, a statistic in anthropology and social studies that is used to describe the degree of acceptance of unequal power distribution in a society or group * Powered Descent Initiation, the maneuver of the Apollo Lunar Module as it descended from lunar orbit to landing * Pre-delivery inspection, the examination of a car, home, or other traded goods before handover to the new owner. {{Disambiguation