| Acronym | Meaning |
| PNO-CI | Pseudonatural Orbital-configuration Interaction |
| DRLFP | Diffuse Reflectance Laser Flash Photolysis |
| CELSS | Controlled Ecological Life Support System |
| SCOP | Spherical Complex Optical Potential (in Quantum Calcn. On Mol. Scattering) |
| STS | Space Transportation System |
| MINOS | Main Injector Neutrino Oscillation Search |
| RSK | Rajagopal-Singhal-Kimball (local-spin-d. Potential For Electronic Structure Calcns.) |
| TAPS | Tris-aminopropanesulfonic Acid |
| MAXI | Monitor Of All-sky X-ray Image |
| CART | Cocaine And Amphetamine Regulated Transcript |