| Acronym | Meaning |
| ASEC | Applied Solar Energy Corporation |
| EBCT | Empty Bed Contact Time |
| CD | Critical Dimension |
| ROMP | Ring-opening Metathesis Polymerization |
| PCO | Perturbational Crystal Orbital |
| EGCR | Experimental Gas-cooled Reactor |
| MERLIN | Multi-element Radio-linked Interferometer Network |
| MCQR | Multiconfigurational Quadratic Response |
| CFP | Coefficient Of Fractional Parentage (method In Quantum Calcns.) |
| DAL | Defect Action Level |