What does SR. stand for?

What does SR. mean?

SR	Slow Rise Academic & Science » Electronics
SR	Sludge Remover Miscellaneous » Unclassified
SR	Smalley Relationship Miscellaneous » Unclassified
SR	Smart Reefer Miscellaneous » Food
SR	Smiler Racing Community » Sports
SR	Snoopy Reading Community » Educational
SR	Social Responsibility Community
SR	Society of Radiographers Medical » British Medicine
SR	Software Requirement Computing » Software
SR	Solar Radiation Academic & Science » Ocean Science
SR	Solar Removable Miscellaneous » Unclassified
SR	Solow Residual Miscellaneous » Unclassified
SR	soluble receptor Medical » British Medicine
SR	somatostatin receptor Medical » British Medicine
SR	Somewhat Recommended Governmental » Military
SR	Sonia Rykiel Community » Famous
SR	Soul Reader Miscellaneous » Unclassified
SR	Soul Reavers Miscellaneous » Unclassified
SR	Sound Recording Community » Media
SR	Sound Recording Academic & Science » Ocean Science
SR	Sound Reinforcement Community » Media
SR	Sound Response Academic & Science » Electronics
SR	Source Register Computing » Assembly
SR	Southern Racing Business » Firms
SR	spacer region Medical » British Medicine