| Acronym | Meaning |
| BTU | British Thermal Unit |
| MPEV | Multi-Purpose Engineering Vehicle |
| NAFTA | North American Free Trade Agreement |
| DCYSC | Discovery Channel Young Scientist Challenge |
| NVL | Night Vision Laboratory |
| JROCM | JROC Memorandum |
| INFORMS | (U.S.) Institute For Operations Research And The Management Sciences |
| SOE | Secret Of Evermore - Special Operations Executive (WWII British Organization) - State Of Emissions (EW) |
| HR | Croatia (FIPS 10-4 Country Code; ISO 3166 Digram) -Harvard Revised Star Catalogue - Human Resources |
| PFLAG | Parents |