PDL
# PDL

PDL is an initialism for:

## Politics

* Democratic Liberal Party (Partidul Democrat Liberal), a former political party in Romania
* Labour Democratic Party (Partito Democratico del Lavoro), a former political party in Italy
* Pole of Freedoms (Polo delle Libertà), a former political alliance in Italy
* The People of Freedom (Il Popolo della Libertà), a former political party in Italy
* Free Destourian Party (Parti Destourien Libre), a current political in Tunisia

## Science, mathematics and technology

### Computing

* Page description language
* Perl Data Language and the data type it supports
* Program Design Language, a method of software construction
* Progressive download
* Public Documentation License, used with OpenOffice.org

### Other uses in science and technology

* Periodontal ligament
* Power door locks
* Propositional dynamic logic
* Pulsed dye laser
* Poundal, a unit of force (abbreviated pdl)
* Polarization Dependent Loss, see Polarization mode dispersion

## Sport

* Premier Development League, the former name of a developmental soccer league in the United States and Canada now known as USL League Two.
* Professional Development League, an English system of youth football leagues.

## Other uses

* PDL BioPharma, formerly Protein Design Labs
* João Paulo II Airport (IATA code PDL)
* Previously developed land, see Brownfield land
* Ponta Delgada Airport
* Poorly Drawn Lines, an absurdist webcomic
* Portsmouth Direct line, a railway line in England
