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

Smithsonian Institute

Governmental » US Government

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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

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SI

Sports Information

Community » Sports

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SI

Signed Integer

Computing » Assembly

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SI

Side Information

Community » Media

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SI

Simply Irresistible

Internet » Chat

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SI

Source Index

Computing » Assembly

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SI

Silly I

Internet » Chat

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SI

Special Investigations

Community » Law & Legal

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SI

Semi-Insulating

Miscellaneous » Construction

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SI

Socket Interface

Computing » Hardware

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SI

Standard International

Miscellaneous » Unclassified

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SI

Scientific Instrumentation

Academic & Science » Meteorology

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SI

Sultan Ismail

Community » Famous

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SI

System Integrators

Miscellaneous » Unclassified

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SI

Saline Injection

Medical » Hospitals

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SI

Support Installation

Governmental » Military

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SI

Sequential Injection

Governmental » Transportation

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SI

Single Inheritance

Computing » General

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SI

Special Intelligence

Governmental » United Nations

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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>.