| Acronym | Meaning |
| CAE | Computer-aided Engineering |
| TDVP | Time-dependent Variational Principle (in Scattering Calcns.) |
| EGO | Exhaust Gas Oxygen |
| CTIOSA | Charge-transfer Infinite Order Sudden Approxn. |
| AA | Assistant Administrator |
| ACRS | Advisory Committee On Reactor Safeguards |
| SI | State Interaction Method |
| SGTF | Spherical Gaussian-type Function |
| NORS | National Organics Reconnaissance Survey (US EPA 1974-1975) |
| OSSA | Office Of Space Science And Applications (NASA) |