| Acronym | Meaning |
| REMCO | ISO Council Committee On Reference Materials |
| ARC | Antireflection Coating |
| EHSO | Environmental Health And Safety Online |
| FIBOS | Focused Ion Beam Optical Spectroscopy |
| ARIES | Angle Resolved Ion Electron Spectroscopy |
| CPDAM | Cumulative Potential-derived Atomic Multipole (calcn. Method) |
| FGDIS | Flue Gas Desulfurization Information System |
| IOHA | International Occupational Hygiene Association |
| PRM | Primary Reference Material |
| PW-TDSE | Plane Wave-time Dependent Schroedinger Equation |