| Acronym | Meaning |
| SSSD | Small-scale, Short-duration |
| ADF | Acid Detergent Fiber |
| OPLC | Overpressured Layer Chromatography |
| UCMP | Unrestricted Compact Model Potential |
| FODA | Fiber Optic Doppler Anemometry |
| OMB | Office Of Management And Budget |
| HCS | Heliospheric Current Sheet |
| CAAMP | Canadian Acid Aerosol Measurement Program |
| NAMS | National Air Monitoring Station |
| EAM | Electron Acoustic Microscopy |