| Acronym | Meaning |
| PSIG | Pounds Per Square Inch Gage |
| EUREKA | European Research Cooperation Agency |
| NPOESS | National Polar Orbiter Environmental Satellite System |
| ACL | Alternative Concentration Level/limit |
| IRCTR | International Research Centre For Telecommunication-transmission And RADAR |
| CADRE | Center For Analysis Of The Dynamics Of Regional Ecosystems |
| EEPROM | Electronically Eraseable And Programmable Read Only Memory |
| BBRR | Brookhaven Beam Research Reactor |
| SWS | Solar Weather Seminar |
| SPAN | Space Physics Analysis Network |