SR
SR as an acronym may refer to:
Geography and politics
Non-political organizations
Science
- Steradian, the SI unit of solid angle
- Sedimentation rate, shortened form for Erythrocyte sedimentation rate
- Sarcoplasmic reticulum, a structure found within muscle cells
- Sinus rhythm, the pattern made by a healthy heart on an electrocardiogram
- Sodium ricinoleate, compound used in SR toothpaste
- Special relativity, a theory of space and time created by physicist Albert Einstein
- Single-reduction, a type of steam turbine
- Strontium, a chemical element of the alkaline earth metals group
- Sustained release or slow release formulation of a medicine, e.g. Wellbutrin SR
- Synchrotron radiation, electromagnetic radiation from charged particles moving in magnetic fields
- Systematic review or standardized review
- Stimulus-response, a term used in psychology or criminology
- SR protein, a type of proteins which are involved in regulating and selecting splice sites in eukaryotic mRNA
Technology
Transportation
Music
Gaming
- Saints Row (series), a video game series
- Shadowrun, a cyberpunk fantasy roleplaying game
- Several video games featuring Sonic the Hedgehog, including:
- Soul Reaver, the sequel to Blood Omen in the Legacy of Kain series
Film, television and literature
Other