| Acronym | Meaning |
 | EHS | Extremely Hazardous Substance |
 | AFR | Air To Fuel Ratio |
 | NGC | New General Catalog Of Nebula And Clusters Of Starspar |
 | OEP | Odd-even (alkane/carbon) Predominance (geology) |
 | DC | Direct Current |
 | RSC | Residual Sodium Carbonate |
 | CSIA | Compd.-specific Isotope Anal. |
 | DECC | Diethylcarbamyl Chloride |
 | TLDA | Total Lifetime Distribution Analysis |
 | BPDA | Born Point Dipole Approximation |