| Acronym | Meaning |
| WCUB | Wang Chang-Uhlenbeck-de Boer (quantum-mech. Relation In Rotational Relaxation Calcn.) |
| DIERS | Design Institute For Emergency Relief Systems (AIChE) |
| SDF | Spin(-unrestricted) Density Functional |
| SIR-C | Spaceborne Imaging Radar-C |
| NLMO | Natural Localized Mol. Orbital |
| GWPM | Gaussian Wave-packet Method |
| INCI | International Nomenclature Cosmetic Ingredient |
| DMARD | Disease Modifying Antirheumatic Drug |
| UTLA | Ultra Thin Layer Activation |
| EA-EOMCC | Electron Attachment-equation Of Motion Coupled Cluster |