| Acronym | Meaning |
| NTP | Normal Temperature And Pressure |
| RAM | Reference-system Average Mayer-function (in Perturbation Theory) |
| CIS | Chemical Information System |
| BSF | Below Sea Floor |
| CRAB | Clocked Recombination Antiblooming |
| DCA | Discriminant Component Anal. |
| DCBX | Distorted Coulomb-Born Exchange Approxn. |
| OASIS | Ocean And Atmospheric Sounding Interferometer System |
| HIAA | Hydroxyindoleacetic Acid |
| SD-MBPT | Single (and) Double (substituted States) Many-body Perturbation Theory |