| Acronym | Meaning |
| CAS-CI | Complete Active Space-configuration Interaction |
| GRAPE | Global Relationship Assessment To Protect The Environment |
| PETP | Poly(ethylene Terephthalate) |
| EUVE | Extreme Ultraviolet Explorer (NASA Satellite) |
| ACWM | Asbestos Containing Waste Material |
| DFPT | Density-functional Perturbation Theory |
| BAW | Bond-order Alternation Wave (mol. Orbital) |
| LEFI | Local Electric Field Instrument |
| CAM | Crassulacean Acid Metabolism (photosynthetic Pathway) |
| SONN | Self-organizing Neural Network |