| Acronym | Meaning |
| CHO | Complex Harmonic Oscillator (in Mol. Scattering Theory) |
| SWFM | Scanning Work Function Microscopy |
| CVAAS | Cold Vapor Atomic Absorption Spectrometry |
| AIS | Airborne Imaging Spectrometer |
| ICS | Inhaled Corticosteroid |
| SEVB | Semiempirical Valence Bond |
| FRCA | Fire Retardant Chemicals Association |
| ANA | Atm. Mesoscale Numerical Pollution Model |
| CHICO | Compact Heavy-ion Counter |
| CSDA | Continuous Slowing Down Approximation |