| Acronym | Meaning |
| BCM | Bond Charge Model (in Force Constants Calcn.) |
| PMT | Pasteurella Multocida Toxin |
| ASDW | Axial Spin Density Wave |
| CNIE | Committee For The National Institute For The Environment |
| STS | Slater Transition State (for Calcg. Electronic Transitions Of Atoms And Molecules) |
| B/F | Bag Filter |
| SMA | Specific Methanogenic Activity |
| TES | Tropospheric Emission Spectrometer |
| SED | Spectral Energy Distribution |
| JWKB | Jeffreys-Wentzel-Kramers-Brillouin (scattering Potential) |