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 203 definitions for SI:

Filter by: Sort by:PopularityAlphabeticallyCategory
SI

Sub-Inspector

Governmental » Police

Rate it:
SI

Sub Inspector

Governmental » Police

Rate it:
SI

Sub Inspecter

Governmental » Police

Rate it:
SI

Special Investigator

Business » Occupation & Positions

Rate it:
SI

Soft Intermediate

Business » Products

Rate it:
SI

Slightly Insane

Academic & Science » Psychology

Rate it:
SI

Union Pacific Railroad Company

Regional » Railroads

Rate it:
SI

Siberian Islands

Regional

Rate it:
SI

Secure Internet

Computing » Security

Rate it:
SI

Société Suisse des Informaticiens

Academic & Science » Societies

Rate it:
SI

Società Svizzera degli Informatici

Academic & Science » Societies

Rate it:
SI

Swiss Informaticians Society

Academic & Science » Societies

Rate it:
SI

Schweizer Informatiker Gesellschaft

Academic & Science » Societies

Rate it:
SI

Society of Indexers

Academic & Science » Societies

Rate it:
SI

Icelandic Society for Information

Academic & Science » Societies

Rate it:
SI

Skýrslutæknifélag Íslands

Academic & Science » Societies

Rate it:
SI

Servicio de Investigación

International » Spanish

Rate it:
SI

Sportident

Sports

Rate it:
SI

Sport Influenced

Sports

Rate it:
SI

Sanctioned Individual

Sports

Rate it:
SI

Sports Injection

Sports

Rate it:
SI

Sports Information

Sports

Rate it:
SI

Sports Injected

Sports

Rate it:
SI

Stockmarket Indices

Business » Stock Exchange

Rate it:
SI

student improvement

Academic & Science » Students

Rate it:

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

see more on Definitions.net »

Know what is SI? Got another good explanation for SI? Don't keep it to yourself!

Still can't find the acronym definition you were looking for? Use our Power Search technology to look for more unique definitions from across the web!

Style:MLAChicagoAPA

"SI." Abbreviations.com. STANDS4 LLC, 2016. Web. 10 Feb. 2016. <http://www.abbreviations.com/SI>.