| Acronym | Meaning |
| ARDE | Aspect Ratio Dependent Etching |
| VISTTA | Visibility Impairment From Sulfur Transformation And Transport In The Atmosphere |
| STP | Similarity Transformation (based) Perturbation (theory) |
| NCAC | Nitrogen-containing Aromatic Compound |
| PCF | Photonic Crystal Fiber |
| LCO | Light Cycle Oil |
| HTP | Helical Twisting Power |
| ABBOT | Atomic Billiard Ball Orbital Theory |
| CCPA | Cemented Carbide Producers Association |
| IHEA | Industrial Health Engineering Association |