| Acronym | Meaning |
| PESC | Photoelectrochemical Solar Cell |
| ANZECC | Australian And New Zealand Environment And Conservation Council |
| SAMPEX | Solar Anomalous And Magnetospheric Particle Explorer (spacecraft) |
| ICF | Inertial Confinement Fusion |
| FEP | Free Energy Perturbation |
| FSSW | Friction Super Stir Welding |
| ECISDT | Size-extensive CI With Single And Double And Triple Excitations |
| COADS | Comprehensive Ocean-Atmosphere Data Set |
| FV-MC-SCF | Full Valence Multiconfiguration Self-consistent Field |
| CDEI | Centromere DNA Element I |