DX

1. Data Exchange (used by OPC foundation OLE for Process Control)
2. Data Explorer
3. Data Extraction
4. Data Register
5. Deal Extreme (online shop)
6. Degeneration x (WWE wrestling)
7. Delta Chi (fraternity)
8. Deluxe
9. Depth Excess
10. Design Exchange
11. Deus Ex
12. D-generation X
13. Diagnosis
14. Digital Cross Connect
15. Digital Exclusive (Nikkor lenses)
16. Digital Experience
17. Digital Index (35mm film encoding)
18. Direct Exchange
19. Direct Expansion (refers to refrigerant-type cooling coils ie DX coil)
20. Direct X
21. Directorate for External Relations (US DoD; Defense Intelligence Agency)
22. Director's Cut
23. Directory Exchange
24. Directory of Expertise (USACE)
25. DiscreteLogix (Islamabad, Pakistan web developers)
26. Distance Unknown (long-distance radio reception)
27. Distance/Distant
28. Ditch Crossing (pipeline route)
29. Document Exchange
30. Domestic Extemporaneous Speaking (debate)
31. Dragon Expo
32. Driver Class
33. Duplex
34. Duplex Signaling
35. Dynamic Exfiltration (Cytec Corporation/ATK-Thiokol emergency personnel evacuation technology)
36. Highest Defense order priority rating
37. Long Distance Communications (radio)
38. Meaning
39. metabolite dextrorphan