Look up sr in Wiktionary, the free dictionary.
SR and related terms may refer to:
Businesses and organizations
Political organizations
- Socialist-Revolutionary Party, Russia, 1902-1940
- A Just Russia (Spravedlivaya Rossiya), a political party, formed in 2006
Transport companies
- Southern Railway (UK)
- Southern Railway (U.S.)
- Swissair (IATA airline code SR)
- Southern Railway zone
- SR Corporation
Other businesses and organizations
- Sørvágs Róðrarfelag, a Faroese rowing association
- Saarländischer Rundfunk, a German broadcaster
- Sveriges Radio, a Swedish broadcaster
Honorifics
- Senior, a generational title suffix to a man's name
- Señor, a Spanish honorific prefix, equivalent to Mr. in English
- Sister, in Catholicism
Places
- Slovakia, officially the Slovak Republic (Slovak: Slovenská republika)
- Socialist Republic as in USSR, ASSR, RSFSR, etc.
- Suriname (ISO 3166-1 country code SR)
- .sr, Suriname's Internet top-level domain
- West Sulawesi, Indonesia (ISO 3166-2:ID province code SR)
Science and technology
Biology and medicine
- SR protein, involved in RNA splicing
- Sarcoplasmic reticulum, a structure found within muscle cells
- Sustained release medicine
Computing and electronics
- SR flip-flop circuit, an electronic logic device
- SR programming language
- Segment routing, a form of computer networking
- Slew rate, the maximum rate of change of electrical signals
- Sound reinforcement system, making sounds louder
- Student Robotics, a robot-building competition
Transport
- Nissan SR engine
- Manx SR and SR2, 1970 US kit cars
- Lockheed SR-71 Blackbird
- Cirrus SR20 and SR22
- State Route
Other uses in science and technology
- Science Reporter, a magazine
- Special relativity, a theory in physics
- Steradian, the SI unit of solid angle
- Strontium, symbol Sr, a chemical element
Other uses
- Shire Reckoning, the Shire calendar used by the Shire's hobbits in J. R. R. Tolkien's fictional Middle-earth
- Strike rate, a statistic in Cricket
- Saudi riyal, the currency of Saudi Arabia
- Serbian language (ISO-639-1 language code sr)
- Slot receiver, a position in American football
- Special reconnaissance, a military tactic
- Special Reconnaissance (United States Air Force) the special warfare group that conducts weather intelligence and unconventional warfare
- "Sr.", a 2022 film featuring Roberts Downey Jr. and Sr.
- Surround Right (SR) speaker on a 5.1 surround sound setup
- Semi Rimmed in firearms
- SR-25 designated marksman rifle
See also
- Gibbs SR, a brand of toothpaste
- All pages with titles containing Sr
- Senior (disambiguation)
- Saints Row, a video game series
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