What does SI stand for?

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

We've found a total of 190 definitions for SI:

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SI

Stark Industries

Community » Media

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SI

stratum intermedium

Medical » British Medicine

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SI

stress incontinence

Medical » British Medicine

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SI

stroke index

Medical » British Medicine

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SI

Structured Interview

Medical » British Medicine

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SI

Stupid Idiot

Internet » Chat

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SI

Sub Inspector

Governmental » Police

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SI

Sub-Inspector

Governmental » Police

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SI

suicidal ideation

Medical » British Medicine

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SI

superior/inferior

Medical » British Medicine

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SI

survival index

Medical » British Medicine

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SI

Swiss Informaticians Society

Academic & Science » Societies

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SI

systolic index

Medical » British Medicine

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SI

The international system of units

Academic & Science » Mathematics

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SI

United States Strategic Command Strategic Instruction

Governmental » Military

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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, 2016. Web. 26 Aug. 2016. <http://www.abbreviations.com/SI>.