| Acronym | Meaning |
| RTO | Rapid Thermal Oxidation |
| ITCZ | Intertropical Convergence Zone (of Seawater) |
| EDFA | Er-doped Fiber Amplifier |
| ORAU | Oxford Radiocarbon Accelerator Unit (University Of Oxford) |
| GALEX | Galaxy Evolution Explorer |
| CHIRP | Core-hole Initiated Relaxation Process (in Ionic Crystals) |
| OECA | Office Of Enforcement And Compliance Assurance |
| ALS | Advanced Light Source |
| ICCD | Intensified Charge-coupled Device |
| PESC | Passivated Emitter Silicon Solar Cell |