| Acronym | Meaning |
| MDS | Minimum Detectable Signal |
| DFTG | Density Functional Theory (with) Gradient (corrections) |
| GW-PG | Gaussian-weighted Planar Grid (method In Calcns. Of Electron-momentum Distributions) |
| UTS | Ultimate Tensile Strength |
| MTPE | Mission To Planet Earth |
| SLED | Superluminescent Light Emitting Diode |
| PEEM | Panel Of Experts On Environmental Management |
| WPPD | Whole-powder-pattern Decomposition |
| BHGM | Borehole Gravity Meter |
| GPPS | General Purpose Polystyrene |