| Acronym | Meaning |
| BFEM | Bright Field Electron Microscopy |
| RHO | Reduced Hamiltonian Orbital Method |
| WHMIS | Workplace Hazardous Materials Information System (Canada) |
| ALA | Association For Laboratory Automation |
| HIIS | Heavy Ions In Space |
| EMMA | Electron Microscopy And Microanalysis |
| AHH | Aryl Hydrocarbon Hydroxylase |
| USGCRP | U.S. Global Change Research Program |
| HDL | High Density Lipoprotein |
| CMO | Canonical Molecular Orbital |