| Acronym | Meaning |
| HANS | Heavy Aromatic Naphtha Solvent |
| FSR | Free Spectral Range |
| TGIC | Temperature Gradient Interaction Chromatography [reversed Phase HPLC With Variable Column Temp. During Elution] |
| PEYS | Photoelectron Yield Spectroscopy |
| CDMA | Code Division Multiple Access |
| HIMP | Heavy Ion Microprobe |
| FROG | Frequency-resolved Optical Grating |
| AAPM | American Association Of Physicists In Medicine |
| IAMAP | International Association Of Meteorology And Atmospheric Physics (ICSU) |
| LPFF | Laser Photolysis Fragment Fluorescence |