| Acronym | Meaning |
| BPSG | Borophosphosilicate Glass |
| FMN | Flavin Mononucleotide |
| MSPD | Matrix Solid-Phase Dispersion |
| AIME | American Institute Of Mining |
| MPN | Most Probable Number |
| BCRW | Bridge Contacted Ridge Waveguide |
| HRE | Hormone-responsive Element |
| MEDOC | Multipole Expansion Defined (on) One Center (a Wave Function In Calcns. On Atomic And Molecular Collisions) |
| CS | Crystal Structure |
| PORG | Photochemical Oxidants Review Group |