| Acronym | Meaning |
| PHH | Planar Halogenated Hydrocarbon |
| PDFT | Perturbation Density-functional Theory |
| IGC | Inverse Gas Chromatog. |
| DON | Dissolved Organic Nitrogen |
| BOTDA | Brillouin Optical Time Domain Analysis |
| SFCCCC | Space-fixed Complex-coordinate Coupled-channel Method |
| ETO | Elliptical-type Orbital |
| CCCO | Committee On Climatic Changes And The Ocean (of IOC And SCOR) |
| SLAM | Scanning Laser Acoustic Microscopy |
| CNOC | Commission On Nomenclature Of Organic Chemistry |