| Acronym | Meaning |
| TDSE | Time-dependent Schroedinger Equation |
| MAO | Monoamine Oxidase |
| NIRE | National Institute For Resources And Environment |
| POU | Point Of Use |
| PAPS | Phase-alternated Pulse Sequence |
| BHMA | British Hard Metal Association |
| UCCD | (spin) Unrestricted Coupled Cluster (with) Double (excitations) |
| BLS | Brillouin Light Scattering |
| TOM | Total Organic Matter |
| DSIP | Delta-sleep Inducing Peptide |