| Acronym | Meaning |
| PO | Polonium |
| ISMB | International Society Of Matrix Biologists |
| ITEC | Information Technology Exposition & Conference |
| REU | R?union (ISO 3166 Trigram) |
| DRET | Defence Research Establishment Toronto (obsolete 2002) |
| FEZ | Fighter Engagement Zone |
| MSH | Medium Support Helicopter - Mount Saint Helens |
| NB | Niobium |
| RES | Radiation Exposure Status -Reserve |
| VDR | North Vietnam (ISO 3166 Trigram |