| Acronym | Meaning |
| APEN | Air Pollution Emissions Notice |
| LANDSAT | Land Remote Sensing Satellite |
| AVC | Advanced Vector Computer |
| KBYTE | Kilobyte (103) |
| BIGIT | A Binary Digit |
| MATCH | McGill University; Technical Improvements To The Large-scale Spectral Element Ocean Model (SEOM) |
| AE | Architect/engineer |
| MAMS | Multispectral Atmospheric Mapping Sensor |
| DLD | Digital Loran Dropwindsonde |
| UUI | Uniform User Interface |