| Acronym | Meaning |
 | RHIC | Relativistic Heavy Ion Collider |
| SM | Sado-Masochism -San Marino (ISO 3166 And FIPS 10-4 Country Code Digram) -Soldier's Manual -Submarine Minelayer (US Navy Hull Classification) |
| USFWS | United States Fish And Wildlife Service |
| AMD | Advanced Micro Devices - Age-related Macular Degeneration -Armenian Dram (ISO 4217 Currency Code) |
| AMLCD | Active Matrix Liquid Crystal Display |
| PO | Polonium |
| HETT | Heavy Equipment Transporting Truck / Heavy Equipment Truck Tractor |
| SPQR | Senatus Populus Que Romanus (Latin The Senate And The People Of Rome) |
| NVESD | Night Vision And Electronic Sensors Directorate |
| OTOH | On The Other Hand |
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