| Acronym | Meaning |
| RAHB | Resonance-assisted Hydrogen Bond |
| GIXA | Glancing-incidence X-ray Analysis |
| NRM | Nuclear Reference Material |
| ACE | Alliance For Clean Energy |
| ODU | Optical Density Units |
| RSRM | Reusable Solid Rocket Motor |
| CMP | Cartilage Matrix Protein |
| QBO | Quasi-biennial Oscillation (atm.) |
| SPC | Statistical Process Control |
| CCTFA | Canadian Cosmetic, Toiletry And Fragrance Association |