| Acronym | Meaning |
| MCIS | Mellon Collie And The Infinite Sadness |
| MLW | Mean Low Water (nautical Charts) |
| GLV | Manx Language (ISO 639-2 Code) |
| ORD | Office Of Research And Development - Operational Requirements Document |
| FPF | Final Protective Fire |
| MOTESS | Moving Object And Transient Event Search System |
| HBO | Home Box Office |
| STD | S?o Tom? And PrĀncipe Dobra (ISO 4217 Currency Code) -Sexually Transmitted Disease |
| NIDRR | National Institute On Disability Research And Rehabilitation |
| ARDA | Advanced Research And Development Activity (became DTO 2006) |