| Acronym | Meaning |
| RD | Remedial Design |
| ACRIM | Active Cavity Radiometer Irradiance Monitor |
| HFE | Hot-feed Extrusion |
| LIMB | Limestone Injection/multistage Burner |
| NHRL | Northern Hemisphere Reference Line |
| DQSK | Drawing Quality Special Killed |
| NFOM | Near-field Optical Microscopy |
| MBBR | Moving Bed Biofilm Reactor |
| SEHF | Spin-extended Hartree-Fock |
| LEIS | Low-Energy Ion Scattering Spectroscopy |