| Acronym | Meaning |
| CCV | Continuing Calibration Verification |
| ELA | Experimental Lakes Area (northwest Ontario) |
| LSDXC | Local-spin-density-exchange-correlation (for Mol. Property) |
| ECTR | Extended Connection Table Representation |
| USAN | US Adopted Names (for Drugs) |
| ILL | Interlibrary Loan |
| NCAC | Nitrogen-containing Aromatic Compound |
| APXPS | Appearance Potential X-ray Photoemission Spectroscopy |
| EMPA | Electron Microprobe Analysis |
| LFECA | Low Frequency Eddy Current Array |