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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Acronym

Definition

Rating

Si

Silicon

Academic & Science » Chemistry

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SI

Slovenia

Regional » Countries

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SI

Seller Id

Miscellaneous » Unclassified

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SI

Stand-In

Community » Performing Arts

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SI

Shift In

Computing » General

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SI

Something In

Miscellaneous » Food

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SI

Special Interest

Governmental » Military

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SI

Singhalese

Regional » Language Codes (2 Letters)

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SI

Sports Illustrated

Community » Media

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SI

Staten Island

Governmental » State & Local

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SI

System Integration

Governmental » Military

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SI

Sandwich Islands

Regional » Countries

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SI

International System

Governmental » Transportation

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SI

Statutory Instrument

Miscellaneous » Unclassified

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SI

SAS Institute

Community » Non-Profit Organizations

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SI

Semi-Insulating

Academic & Science » Electronics -- and more...

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SI

Signal Integrity

Academic & Science » Electronics

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SI

System Integrator

Business » General

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SI

Self Inflicted

Medical » Physiology -- and more...

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SI

Servicio de Investigación

International » Spanish

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SI

Self Injury

Medical » Physiology

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SI

Supplemental Instruction

Governmental » US Government

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SI

Secure Internet

Computing » Security

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SI

Standard Interface

Computing » General

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SI

SacroIliac

Medical » Physiology -- and more...

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