| Acronym | Meaning |
| SISF | Superlattice Intrinsic Stacking Fault |
| EOD | Engineering Operations Division |
| SGTF | Spherical Gaussian-type Function |
| CCMC-T2 | Coupled-cluster Multiconfigurational (double-excitation Method With Cluster Operator Approximated By T2) |
| SOFAR | Sound Fixing And Ranging |
| HVDB | Halogenated Volatile Disinfection By-products |
| ISG | International Stratigraphic Guide |
| CRM | Certified Reference Material |
| MPN | Most Probable Number |
| BICMOS | Bipolar Complementary Metal Oxide Semiconductor |