SPECTRUM
| Acronym | Definition |
|---|---|
| SPECTRUM | Special Experiment Concerning Typhoon Recurvature and Unusual Movement (meteorology) |
| SPECTRUM | Signal Processing for Experimental Chemistry Teaching and Research/ University of Maryland (freeware signal processing program for Macintosh computers) |
| SPECTRUM | Solar Power Exploitation by Collection and Transportation by Fibre Optics to Remote Utilisation Modules (Joint Opportunities for Unconventional or Long-Term Energy Supply; EU) |