PDL is an initialism for:

Politics

* Democratic Liberal Party (''Partidul Democrat Liberal''), a former political party in Romania *

Labour Democratic Party The Labour Democratic Party ( it, Partito Democratico del Lavoro), previously known as Labour Democracy (), was a social-democratic and social-liberal political party in Italy, founded in 1943 as the heir of defunct Italian Reformist Socialist P ...

(''Partito Democratico del Lavoro''), a former political party in Italy *

Pole of Freedoms The Pole of Freedoms ( it, Polo delle Libertà) was a centre-right political and electoral alliance in Italy, launched at the 1994 general election by Silvio Berlusconi. Its counterpart in central and southern Italy was the Pole of Good Governm ...

(''Polo delle Libertà''), a former political alliance in Italy *

The People of Freedom The People of Freedom ( it, Il Popolo della Libertà, PdL) was a centre-right political party in Italy. The PdL, launched by Silvio Berlusconi on 18 November 2007, was initially a federation of political parties, notably including Forza Italia ...

(''Il Popolo della Libertà''), a former political party in Italy *

Free Destourian Party The Free Destourian Party ( ar, الحزب الدستوري الحر ', ; french: link=no, Parti destourien libre, PDL), until August 2016 known as the Destourian Movement ( ar, الحركة الدستورية '), is a Tunisian political party ...

(''Parti Destourien Libre''), a current political in Tunisia

Science, mathematics and technology

Computing

Page description language In digital printing, a page description language (PDL) is a computer language that describes the appearance of a printed page in a higher level than an actual output bitmap (or generally raster graphics). An overlapping term is printer control ...

Perl Data Language Perl Data Language (abbreviated PDL) is a set of free software array programming extensions to the Perl programming language. PDL extends the data structures built into Perl, to include large multidimensional arrays, and adds functionality to m ...

and the data type it supports *

Program Design Language Program Design Language (or PDL, for short) is a method for designing and documenting methods and procedures in software. It is related to pseudocode, but unlike pseudocode, it is written in plain language without any terms that could suggest the us ...

, a method of software construction *

Progressive download A progressive download is the transfer of digital media files from a server to a client, typically using the HTTP protocol when initiated from a computer. The consumer may begin playback of the media before the download is complete. The key differe ...

* Public Documentation License, used with OpenOffice.org

Other uses in science and technology

Periodontal ligament The periodontal ligament, commonly abbreviated as the PDL, is a group of specialized connective tissue fibers that essentially attach a tooth to the alveolar bone within which it sits. It inserts into root cementum one side and onto alveolar ...

Power door locks Power door locks (also known as electric door locks or central locking) allow the driver or front passenger to simultaneously lock or unlock all the doors of an automobile or truck, by pressing a button or flipping a switch. Power door locks w ...

Propositional dynamic logic In logic, philosophy, and theoretical computer science, dynamic logic is an extension of modal logic capable of encoding properties of computer programs. A simple example of a statement in dynamic logic is :\text \to text\text, which states that ...

Pulsed dye laser A dye laser is a laser that uses an organic dye as the lasing medium, usually as a liquid solution. Compared to gases and most solid state lasing media, a dye can usually be used for a much wider range of wavelengths, often spanning 50 to 100 na ...

Poundal The poundal (symbol: pdl) is a unit of force, introduced in 1877, that is part of the Absolute English system of units, which itself is a coherent subsystem of the foot–pound–second system. :1\,\text = 1\,\text\text/\text^2 The poundal is ...

, a unit of force (abbreviated pdl) *Polarization Dependent Loss, see

Polarization mode dispersion Polarization mode dispersion (PMD) is a form of modal dispersion where two different polarizations of light in a waveguide, which normally travel at the same speed, travel at different speeds due to random imperfections and asymmetries, causing ...

Sport

Premier Development League USL League Two (USL2), formerly the Premier Development League (PDL), is a semi-professional developmental soccer league sponsored by United Soccer Leagues in the United States and Canada, forming part of the United States soccer league syste ...

, the former name of a developmental soccer league in the United States and Canada now known as USL League Two. *

Professional Development League The Professional Development League is a system of youth football leagues that are managed, organised and controlled by the Premier League or by the Football League. It was introduced by the Football Association via the Elite Player Performance ...

, an English system of youth football leagues.

Other uses

PDL BioPharma PDL BioPharma (known as Protein Design Labs prior to 2006) is a publicly traded American holding company that since 2008 manages patents and other intellectual property that had been generated by the company.Peter Kolchinsky for In Vivo. July/Augus ...

, formerly Protein Design Labs *

João Paulo II Airport Ponta Delgada - João Paulo II Airport , named after Pope John Paul II, is an international airport located on the island of São Miguel, in the Portuguese archipelago of the Azores. Situated west of the city centre of Ponta Delgada, it is th ...

(IATA code PDL) *Previously developed land, see

Brownfield land In urban planning, brownfield land is any previously developed land that is not currently in use. It may be potentially contaminated, but this is not required for the area to be considered brownfield. The term is also used to describe land prev ...

* Ponta Delgada Airport * Poorly Drawn Lines, an absurdist webcomic {{disambig