| Acronym | Meaning |
 | PNA | Polynuclear Aromatic Compound(s) |
 | HCMOS | High-density Complementary Metal-oxide Semiconductor |
 | RFM | Rotating Magnetic Field |
 | C4 | Controlled Collapse Chip Connection |
 | EDEC | Equal Distances Equal Charges Model |
 | PIN | Pesticide Information Network |
 | STERAO | Stratosphere-Troposphere Experiments: Radiation |
 | LHASA | Logic And Heuristics Applied To Synthetic Analysis |
 | NWWA | National Water Well Association |
 | QDM | Quadrature Discretization Method (in Electron Transport Properties Calcns.) |