| Acronym | Meaning |
| IDL | Instrument Detection Limit |
| ICPAEMC | International Commission For Protection Against Environmental Mutagens And Carcinogens |
| CFO | Crystal Field Orbital |
| SRCD | Synchrotron Radiation Circular Dichroism |
| CDP | Contracted Density Product (in Simplification Of MO Calcns.) |
| FTR | Frustrated Total Reflection |
| LOEL | Lowest-Observed-Effect Level |
| CATSAT | Cooperative Astrophysics And Technology Satellite |
| PILA | Publishers International Linking Association |
| MCL | Maximum Contaminant Level |