| Acronym | Meaning |
| MPCA | Multiway Principal Component Analysis |
| HFJ | Hartree-Fock-Jucys (in Electron-correlation Corrections Calcn.) |
| ICPAES | Inductively Coupled Plasma Atomic Emission Spectrometry |
| PIUG | Patent Information Users Group |
| ATP | Adenosine Triphosphate (reg: 56-65-5) |
| RCF | Refractory Ceramic Fibers |
| RMPROP | R-matrix Propagation |
| GMCC | Geophysical Monitoring For Climate Change |
| CAMAC | Computer Automated Measurement And Control |
| APFO | Ammonium Perfluorooctanoate |