| Acronym | Meaning |
| LSM | Laser Scanning Microscopy |
| DCTS | Discharging Current Transient Spectroscopy |
| DIB | Diffuse Interstellar Band |
| NDDN | National Dry Deposition Network (US EPA) |
| PFR | Plug Flow Reactor |
| J(Z)CCS | J(z)-conserving Coupled States Method (for Rotationally Inelastic Atom-molecule Collisions |
| SEGD | Surfactant-enhanced Gravity Drainage [as Of Subsurface Contaminants] |
| LAO | London Atomic Orbital |
| LBE | Lance Bubbling Equil. |
| SEPT | Secular Equation (with) Perturbation Theory |