| Acronym | Meaning |
| SIMP | Solar Irradiance Monitoring Program |
| CND | Circumnuclear Disk |
| CEMAS | Complete Element Matrix Analysis From Scattering |
| CHW | Coherent Hole Wave (quantum Excitations In Solids) |
| VCC-RIOS | Vibrational Close-coupled-rotational Infinite Order Sudden |
| CIA | Capillary Ion Analysis |
| HEC | Human Equivalent Concentration |
| PISAM | Photon-induced Scanning Auger Microscope |
| NIPALS | Nonlinear Iterative Partial Least Squares |
| SRCI | Single-reference Configuration Interaction |