| Acronym | Meaning |
| G1 | Gaussian-one (theory For Calcg. Mol. Energies) |
| CV | Coeff. Of Variation |
| ALAU | Delta-aminolevulinic Acid Dehydratase In Urine (lead Poisoning Indicator) |
| ECAO | Environmental Criteria And Assessment Office |
| CRF | Chronic Renal Failure |
| WSSA | Weed Science Society Of America |
| CGDE | Contact Glow Discharge Electrolysis |
| USB | Universal Serial Bus |
| ANSR | Advanced Neutron Source Reactor |
| NICE | Neutral Interstellar Composition Experiment |