SCR

SCR is a three-letter abbreviation with multiple meanings, as described below:

a file extension used for MS Windows screen savers.
a file extension used for ZX Spectrum screens on MS-DOS systems.
a screener movie piracy rip, a motion picture film transfer process identifier (in order of quality: CAM / TS / SCR (VHS) / TC / DVDscr / DVDRip).
a silicon controlled rectifier
Selective Catalytic Reduction - exhaust gas aftertreatment
The Senior Common Room of a higher education institution, particularly a college at Oxford or Cambridge University
State Change Registration, a Fibre Channel term
Sustainable Cell Rate, Quality of service property of an ATM (Asynchronous Transfer Mode) network
The JNCC's Seabird Colony Register
SCR can mean Set Complete Radio or, later, Signal Corps Radio as adopted by the U.S. Army Signal Corps about the time of World War One in the late teens of the 20th Century. Examples include: SCR-268, SCR-270, SCR-270-B (the radar set of December 7th, 1941 Pearl Harbor infame), SCR-584.
Skin conductance response, a type of galvanic skin response.
A type of RADAR made during WWII
Something related to the oilfield drilling systems
Supreme Court Reports of Canada
Single Cable Router