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 204 definitions for SI:

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Acronym

Definition

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SI

Standard International

Miscellaneous » Unclassified

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SI

Standing Instruction

Business » Banking

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SI

Standing Instructions

Miscellaneous » Unclassified

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SI

Staten Island

Governmental » State & Local

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SI

Statutory Instrument

Miscellaneous » Unclassified

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SI

Stochastic Interest

Miscellaneous » Unclassified

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SI

Stockmarket Indices

Business » Stock Exchange

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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

String Instrument

Miscellaneous » Unclassified

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SI

stroke index

Medical » British Medicine

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SI

Structural Injunction

Miscellaneous » Unclassified

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SI

Structured Interview

Medical » British Medicine

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SI

Stuck Ina

Miscellaneous » Unclassified

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SI

student improvement

Academic & Science » Students

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SI

Student Instructor

Academic & Science » Universities

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SI

Stupid Idiot

Internet » Chat

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SI

Sub Indices

Computing » General

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SI

Sub Inspecter

Governmental » Police

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SI

Sub Inspector

Governmental » Police

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SI

Sub-Inspector

Governmental » Police

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SI

Substitution Instance

Miscellaneous » Food

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SI

suicidal ideation

Medical » British Medicine

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SI

Sultan Ismail

Community » Famous

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SI

Sumatra Interactive

Internet

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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. 1 May 2016. <http://www.abbreviations.com/SI>.