What does SIR stand for?

What does SIR mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: SIR.

We've found a total of 63 definitions for SIR:

Sort by:PopularityAlphabeticallyCategory Filter by:
SIR

System Interface Requirement

Governmental » NASA

   
SIR

Software Initiated Restart

Governmental » NASA

   
SIR

σύστηα κρατήσεων ε χρήση υπολογιστή

International » Greek

   
SIR

Society of Interventional Radiology

Medical » Medical Physics

   
SIR

Staten Island Railway

Regional » Railroads

   
SIR

Self-Insured Retention

Business » General

   
SIR

Serious Incident Report

Governmental » Military

   
SIR

Specific Information Requirement

Governmental » Military

   
SIR

Sirius Resources, N.L.

Business » ASX Symbols

   
SIR

Society of Interventional Radiology

Business » Professional Organizations

   
SIR

Signal-to-Interference Ratio

Academic & Science » Amateur Radio

   
SIR

Special Inspection Requests

Miscellaneous » Manufacturing

   
SIR

Supplier Information Requests

Miscellaneous » Manufacturing

   

What does SIR mean?

sir(n.)
a respectful or formal term of address used to a man: a formal term of address used in the salutation of a letter.

see more on Definitions.net »

Know another definition for SIR? Know what SIR means? 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

"SIR." Abbreviations.com. STANDS4 LLC, 2014. Web. 20 Sep. 2014. <http://www.abbreviations.com/SIR>.


The Web's Largest Resource for

Acronyms & Abbreviations


A Member Of The STANDS4 Network