| Acronym | Meaning |
| SOMBT | Second-order Many-body Theory |
| MRS | Minimum Required Strength |
| NTS | Nucleus Of The Solitary Tract |
| PQC | Piezoelectric Quartz Crystal |
| CHORTLE | Carbon-hydrogen Correlation From One-dimensional Polarization-transfer Spectra By Least-squares Analysis |
| EFM | Electric Force Microscopy |
| ICAM | Intercellular Adhesion Molecule |
| ECM | Embedded Cluster Method (in Electronic-structure Calcns.) |
| AFOE | Advanced Fiber Optic Echelle Spectrometer |
| WEFT | Water Elimination By Fourier Transform |