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Country Term Full Form | Definition | Meaning Main Category // Subcategory
United States SIR Sons In Retirement Associations & Organizations // Regional Organizations
United States SIR Statutory Invention Registration Governmental // Law & Legal
Singapore SIR Singapore Infantry Regiment Governmental // Military
Worldwide SIR Surface Insulation Resistance Academic & Science // Electrical
Worldwide SIR Selected Ion Recording Technology // Tech Terms
Ivory Coast SIR Societe Ivoirienne de Raffinage French Business // Companies & Corporations
Worldwide SIR Sigma Iota Rho Associations & Organizations // Educational Organizations
Worldwide SIR Supplemental Inflatable Restraint Technology // Automotive
Worldwide SIR Signal-to-Interference Ratio Technology // Communication
Worldwide SIR Sequential Importance Resampling Computing // Programming & Development
United Kingdom SIR Surrey Iron Railway Transport & Travel // Rail Transport
India SIR Special Investment Region Governmental // Policies & Programs
Canada SIR Saskatchewan International Raceway Sports & Games // Sports Venues
India SIR Sirhind Junction Transport & Travel // IRCTC Station Codes
Switzerland SIR Sion Airport Transport & Travel // Airport Codes
Worldwide Siri Siri is of Scandinavian origin and the meaning of Siri is ?beautiful victory? Computing // Software & Applications
Worldwide SiRi Sustainable Investment Research International Associations & Organizations // Trade Associations
Jamaica SIRI Sugar Industry Research Institute Associations & Organizations // Regional Organizations
Worldwide Siri Siri is of Scandinavian origin and the meaning of Siri is ?beautiful victory? Computing // Software & Applications
Worldwide siRNA Small interfering RNA Medical // Genetics