| Acronym | Meaning |
| ICPIC | International Cleaner Production Information Clearinghouse |
| MSC | Multiplicative Scatter Correction |
| LCPH | Localized Chemical Pseudopotential Hamiltonian |
| EGRIS | Emissive Gamma-ray Imaging And Spectroscopy |
| CIBL | Convective Internal Boundary Layer |
| CISA | Continuum Intermediate-state Approxn. (for Scattering) |
| AMO MT | Alternant Molecular Orbital Matsubara-Toyozawa Method |
| SEGS | Solar Electric Generating System |
| ESQC | Elastic Scattering Quantum Chemistry |
| MC-TD-SCF | Multiconfiguration-time Dependent-self-consistent Field |