| Acronym | Meaning |
| CSMA | Chemical Specialties Manufacturers Association |
| IMF | Interplanetary Magnetic Field |
| RAIN | Reactions And Intermediates Network |
| EST | External Standardization Technique |
| TCC | Thermal Contact Cracking |
| SIOS | Semiclassical Infinite-order Sudden (in Rotationally-inelastic Scattering Calcns.) |
| PSDF | Power Systems Development Facility |
| GIFT | Gamete Intrafallopian Transfer |
| RAFA | Rank Annihilation Factor Analysis |
| CEQB | Collinear Exact Quantum (with Adiabatic) Bending (energy) (method For Reactive Scattering) |