| Acronym | Meaning |
| ADTT | Accelerator Driven Transmutation Technology |
| CGPS | Canadian Galactic Plane Survey |
| QSSPC | Quasi-steady-state Photoconductance |
| WSTCM | Watson-sphere Terminated Cluster Model (in Electronic-structure Calcns. On Crystal Defects) |
| LVAD | Left Ventricular Assist Device |
| IPNSO | Independent-pair Natural Spin Orbital |
| EBPR | Enhanced Biol. Phosphorus Removal |
| ALD | Atomic Layer Deposition |
| TF/SC | Trickling Filter/Solids Contact Process (for Wastewater Treatment) |
| BSI | British Standards Institute |