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 189 definitions for SI:

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SI

Special Intelligence

Governmental » Military

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SI

Small Inclusion

Community

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SI

Sub Indices

Computing » General

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SI

SacroIliac

Medical » Hospitals

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SI

Side Impact

Governmental » Transportation

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SI

Student Instructor

Academic & Science » Universities

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SI

Software Independent

Business » General

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SI

Social Infrastructure

Community

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SI

Systems Integrated

Miscellaneous » Unclassified

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SI

Signed Integers

Miscellaneous » Unclassified

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SI

Sport Ident

Miscellaneous » Unclassified

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SI

String Instrument

Miscellaneous » Unclassified

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SI

Système International d'unités (International System of Units)

Academic & Science » Meteorology

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SI

Siberian Islands

Regional

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SI

Summer Intensive

Miscellaneous » Unclassified

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SI

Slightly Insane

Academic & Science » Psychology

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SI

SCI Corporation

Governmental » Suppliers

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SI

Slightly Imperfect

Miscellaneous » Clothes

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SI

Sino Indian

Regional » Language Codes (2 Letters)

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SI

Sine Integral

Miscellaneous » Unclassified

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SI

Self Insertion

Medical » Hospitals

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SI

Self Injure

Miscellaneous » Unclassified

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SI

Science Industrielle

Business » Companies & Firms

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SI

Special Inquiry

Governmental » US Government

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SI

Union Pacific Railroad Company

Regional » Railroads

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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. 25 Apr. 2015. <http://www.abbreviations.com/SI>.