| Acronym | Meaning |
| ALAU | Delta-aminolevulinic Acid Dehydratase In Urine (lead Poisoning Indicator) |
| REX | Relativistically Parametrized Extended Hueckel |
| HFSLM | Hollow-fiber Supported Liquid Membrane |
| OHD | Optical Heterodyne Detection |
| GDOES | Glow Discharge Optical Emission Spectrometry |
| TGEP | Trace Gas Exchange Program |
| YAC | Yeast Artificial Chromosome |
| LMC | Large Magellanic Cloud |
| APF | Advanced Particle Filter |
| IEL | Intraepithelial Lymphocyte |