| Acronym | Meaning |
| MO | Molybdenum |
| HSC | High School Certificate (as Used In New South Wales) |
| ISTC | U.K. Institute Of Scientific And Technical Communications |
| RAMARK | RAdar MARKer |
| ZS | Zettasiemens |
| TVR | TreVor (Wilkinson) Racing |
| OPCW | Organization For The Prohibition Of Chemical Weapons |
| CPV | Cape Verde (ISO 3166 Trigram) |
| PRI | Puerto Rico (ISO 3166 Trigram) |
| AFRRI | (U.S.) Armed Forces Radiobiology Research Institute |