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:

Sort by:PopularityAlphabeticallyCategory Filter by:
SI

Slovenia

Regional » Countries

   Rate it:
SI

Sandwich Islands

Regional » Countries

   Rate it:
SI

Speech/Language Impairment

Community » Educational

   Rate it:
SI

Signal Integrity

Academic & Science » Electronics

   Rate it:
SI

Semi-Insulating

Academic & Science » Electronics

   Rate it:
SI

Sultan Ismail

Community » Famous

   Rate it:
SI

Site Investigation

Governmental » FBI Files

   Rate it:
SI

SoftImage Graphics

Computing » File Extensions

   Rate it:
SI

Smoke Inhalation

Governmental » Fire Departments

   Rate it:
SI

Southport Inn

Business » Companies & Firms

   Rate it:
SI

Science Industrielle

Business » Companies & Firms

   Rate it:
SI

Substitution Instance

Miscellaneous » Food

   Rate it:
SI

Self Indulgance

Miscellaneous » Food

   Rate it:
SI

Something In

Miscellaneous » Food

   Rate it:
SI

Slow and Ignorant

Miscellaneous » Funnies

   Rate it:
SI

Seller Identification

Business » General

   Rate it:
SI

Software Independent

Business » General

   Rate it:
SI

Solution Integration

Business » General

   Rate it:
SI

System Integrator

Business » General

   Rate it:
SI

Shift In

Computing » General

   Rate it:
SI

Single Inheritance

Computing » General

   Rate it:
SI

Standard Interface

Computing » General

   Rate it:
SI

Sub Indices

Computing » General

   Rate it:
SI

Semi Iterative

Computing » General

   Rate it:
SI

Secondary Infertility

Medical » Human Genome

   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, 2015. Web. 2 Mar. 2015. <http://www.abbreviations.com/SI>.


The Web's Largest Resource for

Acronyms & Abbreviations


A Member Of The STANDS4 Network