| Acronym | Meaning |
| RQCAR | Reportable Quantities For Carcinogens In Hazardous Waste |
| LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |
| DCTL | Direct Coupled Transistor Logic |
| CNRF | Cold Neutron Research Facility |
| FPC | Fixed Partial Charge |
| GEMS | General Energy And Material Balance System [model] |
| CPHF | Coupled Perturbed Hartree-Fock |
| NMOG | Non-Methane Organic Gases |
| UMINDO | Spin-unrestricted Modified Intermediate Neglect Of Differential Overlap |
| CLM | Contained Liquid Membrane |