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

Smoke Inhalation

Governmental » Fire Departments

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SI

smoking index

Medical » British Medicine

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SI

snoring index

Medical » British Medicine

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SI

Social Infrastructure

Community

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SI

social interaction

Medical » British Medicine

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SI

Socket Interface

Computing » Hardware

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SI

Soft Intermediate

Business » Products

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SI

SoftImage Graphics

Computing » File Extensions

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SI

Software Independent

Business » General

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SI

Solar Inertial

Governmental » NASA

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SI

Solution Integration

Business » General

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SI

Something In

Miscellaneous » Food

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SI

Source Index

Computing » Assembly

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SI

Southern Islands

Miscellaneous » Unclassified

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SI

Southport Inn

Business » Companies & Firms

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SI

Special Inquiry

Governmental » US Government

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SI

Special Intelligence

Governmental » United Nations

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SI

Special Intelligence

Governmental » Military

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SI

Special Interest

Governmental » Military

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SI

Special Investigations

Community » Law & Legal

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SI

Special Investigator

Business » Occupation & Positions

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SI

Speech Impaired

Medical » Physiology

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SI

Speech/Language Impairment

Community » Educational

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SI

spinal injury

Medical » British Medicine

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SI

Sporrs Ideas

Miscellaneous » Unclassified

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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. 2 Jul 2015. <http://www.abbreviations.com/SI>.