What does DEZ stand for?

D. C. F. Enterprises, Indianapolis, IN - Manufacturer code for watercraft hull identification number (USCG)

Deir Ez Zor - Syria - Airport symbol (OAG)

Dengese - Language code (ETLW)

Derekh 'Erets Zuta - or Derek Erez Zuta (BJA)

Deutsche Treff - NCIC firearms make code (NCIC)

Diethyl Zinc - Used for deacidification of paper to arrest book decay

Distal Elongation Zone - The region between the meristem and the point within the elongation zone

Docklands Enterprise Zone - British