| Acronym | Meaning |
| GEM | Gene Expression Microarray |
| G1 | Gaussian-one (theory For Calcg. Mol. Energies) |
| NIEM | Noniterative Integral Equation Method |
| FINES | Furnace Ionization Nonthermal Excitation Spectrometry |
| BMD | Benchmark Dose |
| OPAL | Optical Pumping Absorption Lidar |
| USB | Universal Serial Bus |
| FSGO | Floating Spherical Gaussian Orbital |
| ARPA | Advanced Research Projects Agency |
| PTMT | Poly (tetramethylene Terephthalate) |