Found 2 abbreviations in 1 groups
| OSIRIS: Meaning | Category |
| OSIRIS | Optical, Spectroscopic, and Infrared Remote Imaging System (astronomical system on the Rosetta spacecraft) | Acronym |
| OSIRIS | Optical System for Imaging and low Resolution Integrated Spectroscopy (astronomical system on the land-based Gran Telescopio Canarias) | Acronym |
Abbreviations similar to osiris
- OSERS - U.S. Department of Education Office of Special Education and Rehabilitative Services
- OSS-RC - Operations Support System - Radio and Core
- OSURG - Office of the Surgeon
- OSRS - Ohio Spring Race Series
