| Acronym | Meaning |
| NACLA | The National Cooperation For Laboratory Accreditation |
| TLC | Thin-layer Chromatography |
| AMTEC | Alkali Metal Thermoelectric Converter |
| CRT | Cathode Ray Tube |
| CNDO/2-V | Complete Neglect Of Differential Overlap-potential Method |
| IOM | Institute Of Occupational Medicine |
| CJD | Creutzfeldt-Jakob Disease |
| NBC | Nuclear, Biological And Chemical |
| SRCC | Single-reference Coupled-cluster |
| RQTOX | Reportable Quantities For Chronically Toxic Hazardous Substances |