| Acronym | Meaning |
| LMSA | Linear Multivariate Statistical Analysis |
| LASCR | Light-activated Silicon Controlled Rectifier |
| ILCT | Intraligand Charge-transfer |
| VEH | Valence Effective Hamiltonian Method (for Electronic Structure) |
| BDT | Brueckner (with) Double (and) Triple (substitutions) |
| LAI | Leaf Area Index |
| CEARC | Canadian Environmental Assessment Research Council |
| ICPIC | International Cleaner Production Information Clearinghouse |
| CTCF | Collisional Time Correlation Function (in Quantum Calcns. On Mol. Inelastic Collisions) |
| CD | Circular Dichroism |