What does Dek stand for?

Dekameter (SAUS)

Data Encrypting Keys - Used for encrypting message

Data Encryption Key - Computer science (DCDG)

Data Entry Keyboard - Computer science (MCD)

Dek - Language code (ETLW)

Dek-Du - NCIC firearms make code (NCIC)

Dekeleia - Greece - Later, PEN - Geomagnetic observatory code

Demokratiki Enosis Kyprou - Democratic Union of Cyprus - Political party (PPE)

Devtek Corp. - Toronto Stock Exchange symbol

Dickson's Fiberglass Fabrication, Laxahatchee, FL - Manufacturer code for watercraft hull identification number (USCG)

Diethyl Ketone - Organic chemistry