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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Acronym

Definition

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SI

silver

Medical » British Medicine

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SI

Simply Irresistible

Internet » Chat

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SI

Sine Integral

Miscellaneous » Unclassified

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SI

Singh Index

Medical » British Medicine

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SI

Singhalese

Regional » Language Codes (2 Letters)

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SI

Single Inheritance

Computing » General

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SI

Sino Indian

Regional » Language Codes (2 Letters)

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SI

sinus irregularities

Medical » British Medicine

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SI

SiR in

Miscellaneous » Unclassified

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SI

Site Investigation

Governmental » FBI Files

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SI

situs inversus

Medical » British Medicine

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SI

Skýrslutæknifélag Íslands

Academic & Science » Societies

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SI

Slight Inclusion

Academic & Science » Physics

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SI

slight inclusions

Miscellaneous » Unclassified

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SI

Slightly Imperfect

Miscellaneous » Clothes

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SI

slightly included

Miscellaneous » Unclassified

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SI

Slightly Insane

Academic & Science » Psychology

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SI

Slovenia

Regional » Countries

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SI

Slovenia international

Miscellaneous » Unclassified

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SI

Slow and Ignorant

Miscellaneous » Funnies

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SI

Slow Import

Computing » Networking

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SI

Small Inclusion

Community

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SI

Small Interface

Computing » Hardware

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SI

Small Intestine

Medical » Physiology

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SI

Smithsonian Institute

Academic & Science » Ocean Science -- 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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