| Acronym | Meaning |
| NNLO | Next-to-next-to-leading Order |
| OETP | Orbiter Electron Temp. Probe |
| MACS | Magnetic Cell Sorting System |
| QAMB | Quality Assurance Materials Bank (USEPA) |
| RMLC | Recommended Maximum Contaminant Level |
| FPC | Fractional Parentage Coeff. (in Group-theor. Calcns.) |
| FIFRA | Federal Insecticide |
| FACTS | Facilities And Company Tracking System |
| BMAW | Bare Metal Arc Welding |
| NETAC | National Effluent Toxicity Assessment Center |