| Acronym | Meaning |
| ITER | International Toxicity Estimates For Risk |
| MDCB | Methods And Data Comparability Board |
| SMP | Soluble Microbial Products |
| TESS | Triboelectrostatic Separation |
| LISA | Lander For Ion-selective Analysis |
| PAG | Photoacid Generator |
| PI | Polydispersity Index |
| DGGE | Denaturing-gradient Gel Electrophoresis |
| GISAXS | Grazing Incidence Small Angle X-ray Scattering |
| PSRG | Position-space Renormalization Group (for D.-of-states Calcns.) |