| Acronym | Meaning |
| NMIJ | National Metrology Institute Of Japan |
| AAPCO | Association For American Pesticide Control Officials |
| CASE | Computer Assisted Structure Elucidation |
| TTSS | Tropospheric Trace Species Sounder |
| FLD | Forming Limit Diagram |
| HMDE | Hanging Mercury Drop Electrode (in Electrochemistry) |
| ISCA | Ionization Spectroscopy For Chemical Analysis |
| AMCOR | Atlantic Margin Coring Project |
| MRSD-CI+D | MRSD-CI (with) Davidson Correction |
| AECB | Atomic Energy Control Board |