English abbreviations from simain to sincgars
- SIMAIN (Simulated Automatic Digital Network Input)
- SIMAN (Simulations Manager)
- SIMAOUT (Simulated Automatic Digital Network Output)
- SIMBAD ((software) Set of Identifications, Measurements, and Bibliography for Astronomical Data, a website that provides catalog data on astronomical objects)
- SIMCON (Simultaneous Construction)
- SIMD (Single Instruction, Multiple Data)
- SIMI (Students Islamic Movement Of India)
- SIMILAR (Macro source file (MultiEdit))
- SIMITAR (Simulation In Training for Advanced Readiness)
- SIMLM (Single Integrated Medical Logistics Management)
- SIMM (Single Inline Memory Module)
- SIMM — (a) Single In (line Memory Module)
- SIMMS (Solutions In Managing Media Systems)
- SIMNET (Simulation Network)
- SIMNET-T (Simulation Network Trainer)
- SIMO (Single Input, Multiple Output)
- SIMON (Serving Infant And Mothers Ongoing Needs)
- SIMOPS (Simultaneous Operations)
- SIMOX (Separation by IMplantation of OXygen)
- SIMP (Student Initiative Mentoring Project)
- Simpl. (Simplex ("Simple" feast—Breviary))
- SIMPL (Super Integrative Manipulative Programming Language)
- SIMPLE (Satellite Interactive Multimedia Platform for Low-cost Earth stations)
- SIMS (Secondary Ion Mass Spectroscopy)
- SIMS-X (Selected Item Management System-Expanded)
- SIMUTA (Simulation for Multiple Unit Training Assemblies)
- SIMWIN (Simulated Workstation Input)
- SIMWOUT (Simulated Workstation Output)
- SIN (Singapore Changi Airport)
- sin — (s) Sinhalese language (ISO 639 (2 code))
- SINCGARS (Single Channel Ground/Air Radio System)