special development area 
(also special area)
noun
(In the UK) a district for which special economic provision is made in legislation.
- nitrosonium
- nitrosourea
- nitro-substituted
- nitro-substitution
- nitro-sulfurous
- nitrosulphureous
- nitro-sulphurous
- nitrosyl
- nitrosylate
- nitrosylated
- nitrosylation
- nitrosyl chloride
- nitrosylhaemoglobin
- nitrosylmyoglobin
- nitrosylsulphuric acid
- nitrothiazole
- nitrotoluene
- nitrotyrosine
- nitrous
- nitrous acid
- nitrous air
- nitrous anhydride
- nitrous fumes
- nitrous oxide
- nitrous vitriol