| Acronym | Meaning |
| EMMA | Electrophoretically-mediated Microanalysis |
| ITFA | Iterative Target Factor Analysis |
| CWA | Clean Water Act |
| BPTI | Bovine Pancreatic Trypsin Inhibitor |
| LHEA | Laboratory For High Energy Astrophysics |
| SACM | Statistical Adiabatic Channel Method (in Ion-mol. Reactions) |
| XCC | Expectation-value Coupled-cluster (in Correlation Energies And Electronic Properties Of Many-electron Systems Calcns.) |
| SEDOR | Spin-echo Double Resonance |
| IEE | Institution Of Electrical Engineers |
| BCO | Bounded Crystal Orbital |