| Acronym | Meaning |
| APD | Antiphase Domain |
| REES | Red Edge Excitation Shift |
| MAB | Monoclonal Antibodies |
| IKBS | Intelligent Knowledge Based Systems |
| MFI | Melt Flow Index [of Polymer] |
| AHM | Acutely Hazardous Materials |
| AMS | Accelerator Mass Spectrometry Or Spectroscopy |
| NOS | Nitric Oxide Synthase |
| NER | Nucleotide Excision Repair |
| ECP-CPP | Effective Core Potential (augmented By)-core Polarization Potential |