| Acronym | Meaning |
| ANTS | 8-aminonaphthalene-1 |
| OWG | Optical Waveguide |
| CCIIM | Clearinghouse For Chemical Information Instructional Materials |
| EDPCR | Extended Disjoint Principal Components Regression |
| EEA | European Environment Agency |
| MOG | Mobil Olefins-to-gasoline [process] |
| GEOS | General Earthquake Observation System |
| RDGTO | (back-)rotated Distributed Gaussian-type Orbital |
| DHFR | Dihydrofolate Reductase |
| CPCC | Complex-potential Close-coupling |