| Acronym | Meaning |
| IOSVR | Infinite Order Sudden Vib-rotor Approximation |
| FSOT | Fused Silica Open Tubular |
| SCR | Solar Cosmic Rays (related To Spacecraft And Space Travel) |
| CRM | Chemical Remanent Magnetization |
| RNO | Reaction Natural Orbital |
| TEF | Toxicity Equivalency Factor |
| LPCVD | Low Pressure Chemical Vapor Deposition |
| MEIS | Medium Energy Ion Scattering |
| SAGE | Stratospheric Aerosol And Gas Experiment |
| PRTD | Proportional Residence Time Distribution (of Liquid Streams In Equalization Basins In WWT) |