Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym SIS is...

SIS is

  • Steal Ideas Shamelessly

More Meanings For SIS:

  • Simple Instruction Set
  • Psion Software Installation file
  • Saws Information System
  • Spectrum Internet Suite
  • Shimano Index Shifting
  • Sister
  • Superconductor Insulator Superconductor
  • Safety Instrumented System
  • Science Information Systems
  • Student Information System
  • Sean Is Stupid
  • Stupid Impossible Scenarios
  • Short-Interval Schedular
  • Seti Intercept System
  • Single Image Stereogram

SIS is also in:

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