| Acronym | Meaning |
| MEI | Maximally Exposed Individual |
| HIWIP | Homojunction Interfacial Work-function Internal Photoemission |
| CEPA | Canadian Environmental Protection Act |
| CTPGF | Closed Time Path Green Function (in Many-body Theory) |
| MCPSAG | Marcus-Coltrin-Path Semiclassical Adiabatic Ground-state (transmission Coeffs.) |
| CPM | Crucible Particle Metallurgy |
| NICA | Nonideal Competitive Adsorption |
| NWPA | Nuclear Waste Policy Act |
| LMTO | Linear Muffin-tin Orbital |
| IST | Internal Standardization Technique |