| Acronym | Meaning |
| SSIS | Scanning Surface Inspection System |
| BSCCO | Bismuth Strontium Calcium Copper Oxide |
| MRLCC | Multireference Linearized Coupled Cluster |
| GI | Many Electron Wave Functions That Are Simultaneously Eigen-functions Of The Total Spin Projection Operators And Satisfy The Pa |
| ENA | Energetic Neutral Atoms (astronomical Plasmas) |
| AGCM | Atmospheric General Circulation Model |
| RISE | Radiative Inputs From Sun To Earth |
| UCID | Unrestricted CI (with) Single (and) Double (excitations) |
| PESTM | Photon Emission Scanning Tunnel Microscopy |
| J(Z)CCS | J(z)-conserving Coupled States Method (for Rotationally Inelastic Atom-molecule Collisions |