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What does SISS stand for?

What does SISS mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: SISS.

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Scientific Instrument Support Structure

Governmental » NASA

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Student Information Services and Systems

Academic & Science » Universities

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What does SISS mean?

hiss, sizz, siss, sibilate(verb)
express or utter with a hiss

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"SISS." Abbreviations.com. STANDS4 LLC, 2017. Web. 21 Aug. 2017. <http://www.abbreviations.com/SISS>.