| Acronym | Meaning |
| FETI | Fluorescence Energy Transfer Immunoassay |
| NIEM | Noniterative Integral Equation Method |
| BCCD | Brueckner Coupled Cluster With Double Excitations |
| CIDR | Controlled-internal Drug Release |
| AES | Auger Emission Spectroscopy |
| VOD | Veno-occlusive Disease |
| ES | Emission Spectroscopy (technique Suffix) |
| KCS | K-matrix Centrifugal Sudden (in Mol.-scattering Theory) |
| ORO | Office Of Regional Operations |
| ISPAC | International Society For Polycyclic Aromatic Compounds |