| Acronym | Meaning |
| DCP | Dicumyl Peroxide |
| ELF | Extremely Low Frequency |
| HSCT | High Speed Civil Transport (aircraft) |
| AFC | Assimilation (with) Fractional Crystallization (geochemistry) |
| ALADDIN | Atmospheric Layer And Density Distribution Of Ions And Neutrals (NASA) |
| NEROS | Northeast Regional Oxidant Study |
| VMD | Volumetric Mean Diameter (particulate Air Pollution) |
| HABR | Hybrid Anaerobic Baffled Reactor (for Wastewater Treatment) |
| PESC | Passivated Emitter Silicon Solar Cell |
| CBRNE | Chemical, Biological, Radiological, Nuclear, Explosive |