| Acronym | Meaning |
| IDA | Interdigitated Array (microelectrodes) |
| TNN-TB | Third Neighbor Nonorthogonal (basis) Tight Binding |
| SOPITA | South Pacific Isotopic And Thermal Anomaly |
| BLAST | Burst Locations With Arc Second Telescope |
| ACCP | Atlantic Climate Change Program (of NOAA |
| CASI | Compact Airborne Spectrographic Imager |
| FRC | Free Residual Chlorine |
| ISTS | Impulsive Stimulated Thermal Scattering [a Laser-based Ultrasonic Technique] |
| FUSE | Far Ultraviolet Spectroscopic Explorer |
| BSSE | Basis-set Superposition Error |