| Acronym | Meaning |
| PWTM | Plane-wave T-matrix (for Electron-atom Scattering) |
| MCA | Middle Cerebral Artery |
| NASDA | National Space Development Agency Of Japan |
| PHF | Perturbative Hartree-Fock |
| BCC | Basal Cell Carcinoma |
| TCSPC | Time-correlated Single-photon Counting |
| AET | S-(2-aminoethyl)isothiouronium Bromide Hydrobromide |
| FMEA | Failure Mode And Effect Analysis |
| SMSO | Spinor Molecular Symmetry Orbital |
| APRF | Acute Phase Response Factor |