| Acronym | Meaning |
| APTI | Air Pollution Training Institute |
| HLB | Hydrophilic-lipophilic Balance (of Surfactants) |
| USP | United States Pharmacopeia |
| BOVB | Biorthogonal Valence Bond |
| HTXRD | High-temperature X-ray Diffraction |
| CRIMS | Chemical Reaction Interface Mass Spectrometry |
| OFET | Organic Field Effect Transistor |
| CHICO | Compact Heavy-ion Counter |
| ERDA | Elastic Recoil Detection Analysis |
| C.I. | Color Index |