| Acronym | Meaning |
| HSC | Hematopoietic Stem Cells |
| HMTUSA | Hazardous Materials Transportation Uniform Safety Act |
| H-CI | Hylleraas-configuration Interaction |
| PSCI | Partitioned (orbital Hessian) Super-configuration Interaction |
| FRDS | Federal Reporting Data System |
| SON | Supraoptic Nucleus |
| TIWLS | Time-independent Wave Packet Lippmann-Schwinger (equation) |
| OPPIS | Optically Pumped Polarized Ion Source |
| FOM | Figure Of Merit |
| APET | Amorphous Poly(ethylene Terephthalate) |