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Stepped spillway
A stepped spillway is a dam spillway whose chute is built as a series of steps that dissipate flowing water's energy before it reaches the downstream channel.
Stepped Stone Structure
The Stepped Stone Structure is a large terraced stone construction on the eastern slope of Jerusalem's City of David, a rampart possibly identified with the biblical Millo.
Stepped wedge design
The stepped wedge design is a cluster randomized trial design in which clusters switch from control to intervention at staggered randomized times until all have crossed over.
Stepped-frequency microwave radiometer
The stepped-frequency microwave radiometer (SFMR) is an airborne instrument that measures ocean surface wind speed and rain rate in tropical cyclones from NOAA and Air Force reconnaissance aircraft.
Stepped-wedge trial
A stepped-wedge trial is a cluster-randomized design where all clusters start in control and cross over to the intervention group by group at randomized times called steps.
Steppenwolf (band)
Steppenwolf: Canadian American hard rock band formed 1967 in Los Angeles from The Sparrow, led by John Kay. Hits "Born to Be Wild" and "Magic Carpet Ride"; first band to use "heavy metal" in a song; disbanded 1972, reformed, final show 2018.
Steppenwolf (novel)
Der Steppenwolf, Hermann Hesse's 1927 novel (S. Fischer Verlag), follows nearly-fifty-year-old outsider Harry Haller through crisis, Hermine, and the Magic Theater; it became a 1960s countercultural classic and named the rock band Steppenwolf.
Steppenwolf Theatre Company
Steppenwolf Theatre Company is a Chicago ensemble theater founded in 1974 by Gary Sinise, Jeff Perry, and Terry Kinney, based at 1650 N. Halsted St. Known for Balm in Gilead, The Grapes of Wrath, August: Osage County, and Purpose; winner of the 1985 Regional Theatre Tony and the National Medal of Arts.
Stepper (photolithography)
A stepper, or wafer stepper, is a photolithography machine that prints circuit patterns onto silicon wafers one die-sized field at a time, stepping and repeating exposures.
Stepper motor
A stepper motor, or stepping motor, is a brushless DC motor that rotates one fixed step per input pulse, enabling sensorless position control in 3D printers and CNC machines.
Steppers
Steppers is a reggae drum pattern with the bass drum on all four beats, credited to Sly Dunbar and the Channel One studio bands of mid-1970s Kingston.
StepPhone
The StepPhone, also known as the STEPX Neo, is an AI-agent smartphone announced by Chinese AI company StepFun in Shanghai in July 2026, running its agent-native Step AOS.
Steppin' Out (Neil Sedaka album)
Steppin' Out is Neil Sedaka's 1976 studio album, his third and final Rocket Records comeback LP, produced with Robert Appere, featuring the title-track single with Elton John backup, peaking at No. 36 on Billboard.
Stepping strategy
A stepping strategy is a balance-recovery behavior in which a bipedal robot or human takes quick steps to move the base of support under the center of mass after a push.
Steps (pop group)
Steps is a British pop group formed in 1997, with three women and two men, known for 14 Top Five UK singles and 22 million records sold.
STEPS trial (NCT06668389)
The STEPS trial (NCT06668389) is a University of Hong Kong Phase 4 trial testing whether dapagliflozin improves cardiopulmonary function in adults with repaired tetralogy of Fallot.
Steptoe and Son
Steptoe and Son is a 1962-1974 BBC sitcom by Galton and Simpson about rag-and-bone men Albert (Wilfrid Brambell) and Harold (Harry H. Corbett) Steptoe of Oil Drum Lane, basis of Sanford and Son.
Stepushka
Stepushka (Степушка) is a Bulan-Koby culture burial ground of the 3rd–5th century AD in Ongudai District, Altai Republic, on the Ursul River, excavated in 2010 as Stepushka-1 and Stepushka-2 with over 80 burial and ritual structures.
Stepwell
A stepwell, also called a baoli or bawdi, is a well or pond reached by a descending staircase, giving year-round access to groundwater in India.
Stepwise regression
Stepwise regression is a family of automated variable-selection methods for regression in which predictors are added or removed one at a time by significance tests or information criteria.
Steradian
The steradian (symbol: sr), also called the square radian, is the SI unit of solid angle; one steradian cuts a sphere's surface area equal to the squared radius.
Sterane
Steranes are saturated tetracyclic hydrocarbons formed when sterols from eukaryotic organisms lose their functional groups during diagenesis, serving as molecular fossils that record both the source organisms and thermal history of rocks.
Stercorarius
Stercorarius is a genus of predatory seabirds known as skuas and jaegers, the sole genus of the family Stercorariidae, established by Brisson in 1760 with the Parasitic Jaeger as its type species.
Sterculia
Sterculia L. is a pantropical genus of about 170 to 300 tree and shrub species in Malvaceae (Sterculioideae), source of karaya gum from Sterculia urens and widely used in traditional medicine.
Sterculia urens
Sterculia urens (karaya gum tree, Indian tragacanth, ghost tree) is a large deciduous Malvaceae tree native from the Indian Subcontinent to Indo-China, source of gum karaya (E 416), used in food, pharma, and textiles, endangered in parts of India.
Sterechinus neumayeri
Sterechinus neumayeri (Meissner, 1900), the Antarctic sea urchin, is a circumpolar Echinidae species, the most abundant shallow-water Antarctic echinoid, a model organism for cold-slowed development and climate change research, with an 885-Mb genome published in 2024.
Steregushchiy-class corvette
Steregushchiy class (Project 20380), Russian multirole corvettes by Almaz bureau, ~2,250 t, 27 knots, Uran and Redut missiles, Kalibr-armed Project 20385 variant, serving Baltic, Pacific, Black Sea fleets.
Stereo (1969 film)
Stereo (1969) is David Cronenberg's first feature, a Canadian experimental black-and-white sci-fi film about surgically induced telepathy at the Canadian Academy of Erotic Inquiry, shot for $3,500 at Scarborough College without sync sound.
Stereo (music)
Stereo, also known as Stereo Montreal or Stereo Nightclub, is an afterhours nightclub in Montreal opened in 1998 by DJ Angel Moraes, famed for its sound system.
Stereo digital image correlation
Stereo digital image correlation, also known as stereo-DIC or 3D-DIC, is a non-contact optical technique that measures the three-dimensional shape and deformation of a surface.