| Acronym | Meaning |
| BHT | Brinell Hardness Test |
| SPM | Scanning Proton Microprobe |
| MSUD | Maple Syrup Urine Disease |
| SR-CCD | Single Reference-CCD |
| TIMS | Technical Information Management System |
| WENDB | Water Enforcement National Data Base |
| HEPPS | 4-(2-hydroxyethyl)-1-piperazinepropanesulfonic Acid) |
| AFF | Aberration Free Focus |
| PDI | Polydispersity Index |
| PDLC | Polymer-dispersed Liquid Crystal |