special development area 
(also special area)
noun
(In the UK) a district for which special economic provision is made in legislation.
- per pais
- per pale
- perpend
- perpendent
- perpendicular
- perpendicularity
- perpendicularly
- perpendicularness
- perpendicular pronoun
- perpensity
- perpet
- ion channel
- ion chromatography
- ion drive
- ionene
- ion engine
- Ionesco, Eugène
- ion etching
- ion exchange
- ion-exchange chromatography
- ion-exchanged
- ion-exchange polymer
- ion exchanger
- ion-exchange resin
- ion-exchanging