| Acronym | Meaning |
| VA-HOMO | Vibrationally Active HOMO |
| GIXA | Glancing-incidence X-ray Analysis |
| PTCR | Positive Temperature Coefficient Of Resistance (of Semiconductors) |
| LALIF | Laser Atomization/Laser Induced Fluorescence |
| PTM | Posttranslational Modification |
| NYSAS | New York Summer Aerosol Study |
| MOPA | Master Oscillator Power Amplifier |
| SCFD | Supercritical Fluid Drying |
| MIC | Methyl Isocyanate |
| DETOCSY | Diffusion Edited Total Correlation Spectroscopy |