| Acronym | Meaning |
| ISA | Ionic Strength Adjuster |
| ABR | Anaerobic Baffled Reactor (for Wastewater Treatment) |
| PCR | Principal Component Regression |
| BIOSIS | BioSciences Information Service |
| POSSUM | Protein Online Substructure Searching - Ullman Method |
| SANDER | Simulated Annealing With NMR-derived Energy Restraints |
| SSTL | Singwi Sjolander Tosi Land (interatomic Potential) |
| AC | Alternating Current |
| ADE | Adverse Drug Event |
| TECC | Tropospheric Effects Of Cloud Chemistry |