Acronyms that contain the term SI

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

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What does SI mean?

silicon, Si, atomic number 14(noun)
a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors

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"SI." Abbreviations.com. STANDS4 LLC, 2015. Web. 4 Mar. 2015. <http://www.abbreviations.com/SI>.


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