| Acronym | Meaning |
| CS INDO | Conformation Spectra INDO |
| ATMOS | Atmospheric Trace Molecule Spectroscopy |
| CINDA | Computer Index Of Neutron Data |
| UHFS | Unrestricted Hartree-Fock-slater |
| FFM | Finite Field Method (in Mol. Polarizabilities Calcns.) |
| CELSS | Controlled Ecological Life Support System |
| EIRFT | Extended Inversion-recovery Fourier Transform |
| PRA | Plasma Renin Activity |
| MLCT | Metal-to-ligand Charge-transfer |
| RSSCT | Rapid Small-scale Column Test (of Granulated Activated Carbon) |