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Squeak (programming language)
Squeak, also known as Squeak Smalltalk, is an open-source Smalltalk programming system created at Apple Computer in 1996 by Alan Kay, Dan Ingalls, and Ted Kaehler, known for its self-hosting virtual machine written in Smalltalk.
Squeegee
In screen printing, a squeegee is a rubber-tipped blade, usually in a wood or metal handle, drawn across a mesh screen to force a measured amount of ink through the open areas onto the surface below.
Squeeze casting
Squeeze casting, also known as liquid die forging, is a metal casting process in which molten alloy solidifies in a die under applied pressure, producing dense, fine-grained components.
Squeeze cementing
Squeeze cementing is a remedial well operation in which cement slurry is pressured into perforations, leaks, and annular channels, dehydrating to form a solid seal.
Squeeze film damper
A squeeze film damper (SFD) is a hydrodynamic vibration damper whose non-rotating journal squeezes an oil film, damping vibration in jet engines and other rotating machinery.
Squeeze plug (wellbore)
A squeeze plug is a volume of cement forced under pressure into a wellbore's perforations or channels to seal off fluid flow, a remedial technique introduced in the 1930s.
Squeeze-and-Excitation network
The Squeeze-and-Excitation network (SENet) is a convolutional neural network architecture proposed in September 2017 by Hu et al. that recalibrates channel-wise feature responses via its SE block, winning ILSVRC 2017.
Squib (explosive)
A squib is a small explosive device producing a burst of flame to ignite a larger charge, used in airbags, mining fuses, and film bullet-hit effects.
Squib load
A squib load, or squib round, is a firearms malfunction in which a cartridge fires weakly and the bullet may remain lodged in the barrel, risking destruction if another is fired.
Squid (software)
Squid is a free, open-source caching proxy server for web traffic, based on the early-1990s Harvest Cache Daemon, providing access control, logging, and caching for forward and reverse proxying.
Squier
Squier is Fender's budget brand of electric guitars, basses, and acoustic instruments, begun as V.C. Squier's 1890 string company and acquired by Fender in 1965.
Squirrel search algorithm
The squirrel search algorithm (SSA) is a nature-inspired metaheuristic for continuous and engineering optimization, introduced by Mohit Jain, Vijander Singh, and Asha Rani in 2018.
Squirrel-cage induction motor
A squirrel-cage induction motor is an AC electric motor whose rotor has conducting bars short-circuited by end rings; it is the most widely used industrial electric motor.
Squirrel-cage rotor
A squirrel-cage rotor is the rotating part of an induction motor, where conductive bars in a steel core, shorted by end rings, carry induced currents that produce torque.
SR (Korean rail operator)
SR is a South Korean public corporation that ran SRT high-speed trains from Suseo Station in Seoul, launched in 2016 as Korea's second high-speed rail operator before merging with KORAIL in 2026.
SR West Country and Battle of Britain classes
The SR West Country and Battle of Britain classes, known as the Bulleid light pacifics, were 110 British 4-6-2 steam locomotives built between 1945 and 1951.
SR-2 Veresk
The SR-2 Veresk (СР-2 «Вереск») is a Russian submachine gun developed by TsNIITochMash for the FSB and adopted in 2000 to pierce body armor with the 9×21mm cartridge.
SR-25
The SR-25, also known as the Stoner Rifle-25, is a semi-automatic 7.62mm NATO precision rifle designed by Eugene Stoner and made by Knight's Armament Company in the early 1990s.
SR-3 Vikhr (СР-3 Вихрь)
The SR-3 Vikhr is a Russian compact assault rifle firing the subsonic 9x39mm cartridge, adopted in 1996 by the FSB and Ministry of Internal Affairs.
Sredne-Nazymskoye Oil and Gas Field
Sredne-Nazymskoye (Средне-Назымское) is an oil field in the Khanty-Mansi Autonomous Okrug of Western Siberia, discovered in 1990, serving as LUKOIL's main testing ground for hard-to-recover reserves.
Srednebotuobinskoye field
The Srednebotuobinskoye field is a large oil and gas condensate field in the Republic of Sakha (Yakutia), discovered in 1970 and producing commercially since 2013.
Sredneuralskaya GRES power plant
Sredneuralskaya GRES (Среднеуральская ГРЭС, also Sredneuralsk GRES) is a gas-fired thermal power and cogeneration plant in Sredneuralsk near Yekaterinburg, Russia, opened in 1936 with an installed capacity of roughly 1,600 MW.
Srednevilyuiskoye gas field
Srednevilyuiskoye gas field (Средневилюйское месторождение) is a large gas condensate field in Vilyuysky ulus, Yakutia, Russia, the main source of natural gas for central Yakutia, operated by PJSC YATEK.
SRGB
SRGB, or standard Red Green Blue, is a standard RGB color space defined as IEC 61966-2-1, used as the default color space for the web, most displays, and digital images.
Sri Ahobila Narasimha Swamy Temple
Sri Ahobila Narasimha Swamy Temple (Ahobilam), a Divya Desam in the Nallamala hills, Nandyal district, Andhra Pradesh, where Narasimha is worshipped in nine forms (Nava Narasimhas) across Upper and Lower Ahobilam, seat of the Ahobila Mutt, famed for Brahmotsavam and Paruveta festivals.
Sri Damodaram Sanjeevaiah Thermal Power Station
Sri Damodaram Sanjeevaiah Thermal Power Station, also known as the Krishnapatnam Supercritical Thermal Power Project, is a 2,400 MW coal-fired plant at Krishnapatnam in Andhra Pradesh, owned by APPDCL.
Sri Guru Ravidas Airport
Sri Guru Ravidas Airport, formerly Adampur Airport (AIP/VIAX), is a civil enclave at Adampur, Jalandhar, Punjab, using the Air Force Station airstrip; renamed by PM Modi on 1 February 2026, serving the Doaba region under UDAN.
Sridhar Vembu (ஸ்ரீதர் வேம்பு)
Sridhar Vembu (ஸ்ரீதர் வேம்பு) is an Indian technology entrepreneur who co-founded Zoho in 1996 and built it into India's largest software product company without venture capital.
Srikakulam-Angul pipeline
The Srikakulam-Angul pipeline is a 744 km natural gas pipeline built by GAIL (India) linking Srikakulam, Andhra Pradesh, and Angul, Odisha, as part of the National Gas Grid.
Srikalahasteeswara temple
Srikalahasteeswara temple, also called Srikalahasti Temple, is a Hindu Shiva temple in Srikalahasti, Andhra Pradesh, where Shiva is worshipped as Vayu, the wind, among the five Pancha Bhoota Sthalams.