| Acronym | Meaning |
| RHO | Reduced Hamiltonian Orbital Method |
| ANS | Autonomic Nervous System |
| HLG | Hedin-Lundqvist-Gunnarsson (spin D. Functional) |
| AMOS | Air Management Oversight System |
| PTD | Probable Toxic Dose |
| TLM | Triple Layer Model (of Adsorption) |
| NWRI | National Water Research Institute (Burlington |
| ASHAA | Asbestos School Hazard Abatement Act |
| MCPB | (4-(2-methyl-4-chlorophenoxy)butyric Acid |
| AACVD | Aerosol-assisted Chemical Vapor Deposition |