| Acronym | Meaning |
| RIOS | Reactive Infinite-order Sudden (at.-mol. Reactive Collisions) |
| APOMA | American Precision Optics Manufacturers Association |
| NYSAS | New York Summer Aerosol Study |
| NADB | National Air Data Branch (US EPA) |
| ABLE | Amazon Boundary Layer Experiment |
| CMSM | Continuum Multiple-scattering Model |
| VOD | Veno-occlusive Disease |
| CCFET | Capacitively Controlled Field Effect Transistor |
| IHSI | Induction Heating Stress Improvement |
| PAA | Photon Activation Analysis |