| Acronym | Meaning |
| IMDL | Interlaboratory Method Detection Limits |
| CCMC | Coupled-cluster Method With Multiconfiguration Reference State |
| MPI | Mass Psychogenic Illness (in Indoor Air Pollution) |
| OMIM | Online Mendelian Inheritance In Man |
| JPCRD | Journal Of Physical And Chemical Reference Data |
| CGDN | Canadian Genetic Diseases Network |
| SIOS | Semiclassical Infinite-order Sudden (in Rotationally-inelastic Scattering Calcns.) |
| ISAST | Irreversible Sorption Affected Solute Transport [model] |
| TFA | Total Fatty Acids |
| APCS | Argonne Premium Coal Sample |