| Acronym | Meaning |
| PRMO | Partially Restricted Molecular Orbital |
| SMSX(ALPHA) | Overlapping-sphere Multiple-scattering X(alpha) |
| LAS | Linear Alkylbenzene Sulfonates (anionic Surfactants) |
| ABES | Alliance For Balanced Environmental Solutions |
| LCCA | Linearized Coupled-cluster Approach |
| LASE | Lidar Atmospheric Sensing Experiment |
| IMAC | Immobilized Metal Ion Affinity Chromatography |
| ITCZ | Intertropical Convergence Zone (of Seawater) |
| SCISAS | Size Classifying Isokinetic Sequential Aerosol Sampler |
| HADS | Health Assessment Documents |