| Acronym | Meaning |
| ACP | Automatic Correlation Partitioning |
| OBDD | Ordered Bicontinuous Double-diamond |
| TESS | Triboelectrostatic Separation |
| ONBI | Oligonucleotide Bridge Intercalator |
| BRS | Biennial Reporting System |
| AFIS | Automated Fingerprint Identification System |
| MC-ICPMS | Multiple-collector Inductively Coupled Plasma-mass Spectrometry |
| PPG | Pike's Peak Granite (USGS Rock Standard) |
| DWPO | Distorted Wave Polarized Orbital |
| MSMO | Multiple Scattering Molecular Orbital Method (also Known As X(alpha) Scattered-wave) |