SID

Sports Information Director (Academic & Science » Universities)

**** Security Identifier (Computing » Drivers)

*** Still In Development (Computing » Software)

** Sidamo (Regional » Language Codes (3 Letters))

** Companhia Siderurgica Nacional (Business » NYSE Symbols)

** Standard Instrument Departure (Governmental » Transportation)

* Once per day (Medical » Physiology)

* Sound Interface Device (Community » Media)

* Satan In Disguise (Community » Religion)

* State Identification Number (Community » Law)

* Speed Indicator Device (Governmental » Military)

* Ship In Distress (Governmental » Military)

* Side Impact Dummy (Governmental » Transportation)

* Security In Depth (Computing » Security)

* Scientific Investigation Division (Governmental » US Government)

* Scientific Investigation Division (Academic & Science » Universities)

* Slew Induced Distortion (Academic & Science » Electronics)

* Speed Indicating Device (Governmental » Transportation)

* Severe Intellectual Disability (Community » Educational)

* Smad Interaction Domain (Community » Sports)

* Subunit Interaction Domain (Computing » General)

* South Indian Dance (Community)

* Searchable Image Database (Computing » General)

* Shared Information Distance (Computing » Networking)

* Scouting Internet Directory (Internet)

* Super Intelligent Design (Business » General)