| Acronym | Meaning |
| DFAA | Dissolved Free Amino Acids |
| PPS | Poly (phenylene Sulfide) |
| TCDE | Two-center Dirac Equation |
| HCA | Human Carbonic Anhydrase |
| FIBC(A) | Flexible Intermediate Bulk Container (Association) [bulk Bag] |
| ROD | Record Of Decision |
| FFIS | Federal Facilities Information System |
| EO | Equivalent Orbital |
| GEM | Gene Expression Microarray |
| STA | Science And Technology Agency (Japan) |