| Acronym | Meaning |
| PCL | Phase Conjugate Laser |
| CPCC | Complex-potential Close-coupling |
| EMLC | Electrochemically Modulated Liquid Chromatography |
| IDEA | Integrated Data For Enforcement Analysis |
| CCW | Charge Current Wave (type Of Hartree-Fock Wave Function) |
| VSEPR | Valence-shell Electron-pair Repulsion |
| LAI | Leaf Area Index |
| ARAT | Avion De Recherche Atmospherique Et Teledetection |
| CCAP | Center For Clean Air Policy |
| LEMA | Least Error Matrix Analysis |