| Acronym | Meaning |
| ISCLT | Industrial Source Complex Long Term (dispersion Model) |
| UFL | Upper Flammable Limit |
| SMBC | Soil Microbial Biomass Carbon |
| LQG | Linear Quadratic Gaussian |
| SEMI | Semiconductor Equipment And Materials Institute |
| MAR | Matrix Attachment Region |
| LINE | Long Interspersed Element |
| LOI | Loss Of Imprinting |
| CORR | Chemicals On Reporting Rules |
| ETA | Eigenstructure Tracking Analysis |