| Acronym | Meaning |
| IMS | Intelligent Manufacturing Systems |
| ISES | International Solar Energy Society |
| PEL | Permissible Exposure Limit |
| MTX(ALPHA) | Muffin-tin X(alpha) Statistical Exchange |
| LMIS | Liquid Metal Ion Source |
| ROMNET | Regional Ozone Modeling For Northeast Transport |
| ES | Energy Sudden (approxn. In Scattering Calcns.) |
| DRF | Dose Reduction Factor |
| TISAB | Total Ionic Strength Adjustment Buffer (for Fluoride) |
| DOE | Department Of Energy |