English abbreviations from sirads to siso
- SIRADS(Stored Imagery Repository and Dissemination System)
- SIRB(Senior's Information & Resource Bureau)
- SIRC(Social Issues Research Centre)
- SIRCUS(Standard Information Retrieval Capability for Users)
- SIRD(Site Index Report Document)
- SIRDS(Single Image Random Dot Stereogram)
- Siri(Speech Interpretation and Recognition Interface (Apple iOS software))
- SIRIJ(Semiconductor Industry Research Institute of Japan)
- SIRMO(Senior Information Resources Management Official)
- SIRR(Software Integration Readiness Review)
- SIRRA(Sleep-Induction/Rapid Re-Awakening)
- SIRS(Social Issues Resource Series)
- SIRTF((telescope) Space InfraRed Telescope Facility or Shuttle InfraRed Telescope Facility, older names for the Spitzer Space Telescope)
- SIRU(Southern Inland Rugby Union)
- SIS(Shaken infant syndrome)
- SISD(Single Instruction, Single Data)
- SISFET(Semiconductor-Insulator-Semiconductor Field Effect Transistor)
- SISMS(Standard Integrated Support Management System)
- SISO(Simulation Interoperability Standards Organization)
