| Acronym | Meaning |
| YN | Yottanewton |
| MDP | Markov Decision Process |
| SEG | Society Of Exploration Geophysicists |
| CTC | Closed Timelike Curve (relativity) - (U.S.) Combat Training Center |
| KEDO | Korean Peninsula Energy Development Organization |
| FRY | West Frisian Language (ISO 639-2 Code) |
| NWO | New World Order (see Article For Explanation Of Idiosyncratic Capitalization) |
| TP | East Timor (ISO 3166 Digram; Obsolete 2002) - S?o Tom? And PrĀncipe (FIPS 10-4 Country Code) -Training Practice |
| CANDU | CANada Deuterium Uranium (nuclear Reactor Design) |
| PGD | Pre-implantation Genetic Diagnosis |