| Acronym | Meaning |
| LCGO | Linear Combination Of Group Orbitals |
| COPW | Complete Orthogonalized Plane Wave |
| GADD | Growth Arrest And DNA Damage |
| CLS | Core Level Spectroscopy |
| CVA-MO | Core-valence Approxn.-MO (for At. Integral Calcns.) |
| IMMA | Ion Microprobe Mass Analysis |
| COLD | Computer Output To Laser Disk |
| TPLSM | Two-photon Laser-scanning Microscopy |
| COS | Corona Oxide Semiconductor |
| AIN | Advanced Intelligent Networks |