| Acronym | Meaning |
| VOA | Variable Optical Attenuator |
| RCF | Refractory Ceramic Fibers |
| KIPO | Korean Intellectual Property Office |
| PDM3.1 | Probabilistic Dilution Model Version 3.1 |
| IBARE | Ion Beam Assisted Radical Etching |
| FSIS | Food Safety And Inspection Service |
| EMIS | Environmental Management Information System |
| HETE | High Energy Transient Explorer |
| AES | American Electroplating Society |
| XCC | Expectation-value Coupled-cluster (in Correlation Energies And Electronic Properties Of Many-electron Systems Calcns.) |