| Acronym | Meaning |
| ACTH | Adrenocorticotrophic Hormone (reg:9003-56-9) |
| DF | Density Functional Formalism |
| SBE | Single Base Extension |
| NATICH | National Air Toxics Information Clearinghouse |
| XMPA | X-ray Electron Microprobe Analysis |
| ANOVA | Analysis Of Variation |
| HSC | Hyperspherical Coordinate (representation In Calcns. On Electron-atom Scattering) |
| SMO | Statistical Model Of Overlap |
| HIRIS | High Resolution Imaging Spectrometer |
| TPMB | Two-potential-modified Born (approxn. In Inelastic Collisions) |