| Acronym | Meaning |
| IRA | Interim Response Actions |
| HMI | Hornbeck-Molnar Ionization (homonuclear Associative Ionization In At. Collisions) |
| SOP | Second-order Potential (method For Positron-atom Scattering) |
| EIMS | Environmental Information Management System |
| LOCOS | Local Oxidation Of Silicon |
| SPARC | Stratospheric Processes And Their Role In Climate |
| MWCO | Molecular Weight Cut-off (in Membrane |
| JEIDA | Japan Electronic Industry Development Association |
| DPN | Dip-pen Nanolithography |
| BFU-E | Burst-forming Unit-erythroid |