| Acronym | Meaning |
| HEUR | Hydrophobe Modified Ethoxylated Urethane [polymer] |
| IMPATT | Impact Avalanche Transit-time |
| CCM | Coupled-cluster Method (for Energy Level Calculations) |
| IF | Interstitial Free |
| WEEL | Workplace Environmental Exposure Limits |
| NITEP | National Incinerator Testing And Evaluation Program (Canada) |
| QUASH | Quality Assurance Of Sample Handling [a EU Project] |
| RONALD | Rocketborne Optical Neutral Gas Analyzer With Laser Diodes |
| GKS | Gaspar-Kohn-Sham (potential For Exchange And Correlation In Band Structure Calcns.) |
| NERAC | New England Research Applications Center |