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Step by Step (TV series)
Step by Step: American family sitcom created by William Bickley and Michael Warren, starring Patrick Duffy and Suzanne Somers as blended-family parents; 160 episodes, ABC TGIF 1991–1997 then CBS 1997–1998.
Step climb
A step climb is a series of altitude gains during a jet flight's cruise phase, keeping the aircraft near its most efficient altitude as fuel burn lightens it.
Step detection
Step detection is a signal processing and statistical method that locates abrupt steps in a noisy time series, estimating when the signal jumps and each segment's level.
Step economy
Step economy is a principle in organic synthesis, introduced by Paul Wender at Stanford, that minimizes the number of steps needed to make a target molecule.
Step function
A step function, also called a staircase function, is a real-valued function that is constant on finitely many pieces of its domain, as in the Heaviside step function.
Step nucleic acid amplification test
Step nucleic acid amplification test (sNAAT) is a proposed label for an isothermal nucleic acid amplification test detecting pathogen genomes at one constant temperature, without PCR's thermal cycling.
Step potential
The step potential is an idealized one-dimensional potential in quantum mechanics where the potential energy jumps abruptly at a single point, the simplest solvable scattering problem.
Step Pyramid of Edfu
The Step Pyramid of Edfu, also called the Edfu South Pyramid, is a small step pyramid near Edfu in Upper Egypt, one of seven Old Kingdom provincial pyramids.
Step Pyramid of Ombos
The Step Pyramid of Ombos, also known as the Step Pyramid of Naqada, is a ruined provincial step pyramid on the west bank of the Nile at Naqada, Upper Egypt.
Step Pyramid of Sinki
The Step Pyramid of Sinki is an unfinished accretion-layer step pyramid of the Egyptian 3rd Dynasty, standing about 5.5 km southeast of the Temple of Seti I at Abydos.
STEP trial (NCT03015311)
STEP (NCT03015311), Strategy of Blood Pressure Intervention in the Elderly Hypertensive Patients: Chinese randomized trial of 8,511 patients aged 60-80 testing intensive systolic target 110-<130 mm Hg versus 130-<150 mm Hg; intensive treatment cut cardiovascular events (HR 0.74; 6-year HR 0.82).
STEP trial (NCT03137368)
STEP (NCT03137368) is a Phase 3 Chinese trial comparing exemestane plus ovarian function suppression/ablation versus tamoxifen plus ovarian suppression in premenopausal ER-positive, HER2-negative breast cancer with CYP2D6*10 T/T genotype; 300 planned participants, primary endpoint disease-free survival.
Step Up (film)
Step Up is a 2006 American dance film starring Channing Tatum and Jenna Dewan, directed by Anne Fletcher and set at a Baltimore arts school.
Step Up (franchise)
Step Up: American dance film franchise created by Duane Adler, launched by Step Up (2006, Anne Fletcher, Channing Tatum, Jenna Dewan); five theatrical films plus Step Up: Year of the Dance (China, 2019) and the Step Up: High Water TV series.
Step Up (TV series)
Step Up (originally Step Up: High Water) is an American dance drama TV series based on the Step Up films, set at Atlanta's High Water performing arts school; it ran 2018-2022 on YouTube Red then Starz, 3 seasons, 30 episodes, starring Ne-Yo.
Step Up 2: The Streets
Step Up 2: The Streets (2008) is Jon M. Chu's feature directorial debut, a Step Up sequel starring Briana Evigan and Robert Hoffman about street crews competing in Baltimore's The Streets, grossing $151 million worldwide.
Step Up 3D
Step Up 3D (2010) is the third Step Up dance film, directed by Jon M. Chu, starring Rick Malambri, Sharni Vinson, and Adam Sevani; the first 3D dance drama, grossing $165.9 million worldwide.
Step Up Revolution
Step Up Revolution is a 2012 American dance drama, the fourth Step Up film, directed by Scott Speer and starring Kathryn McCormick and Ryan Guzman. Set in Miami, it follows the flash-mob crew The Mob protesting a developer's project; it grossed $35.1M domestic on a $33M budget.
Step Up: All In
Step Up: All In is a 2014 American dance film, the fifth in the Step Up series, directed by Trish Sie and set around a Las Vegas dance battle.
Step-edge epitaxy
Step-edge epitaxy is a crystal growth strategy in which atomic steps on a substrate, not just its lattice, direct the orientation of an epitaxial film, enabling wafer-scale single crystals.
Step-growth polymerization
Step-growth polymerization, also called step polymerization, is a polymerization mechanism in which monomers and oligomers of any length react together, producing polyesters and polyamides such as nylon and PET.
Step-recovery diode
The step-recovery diode, also called a snap-off diode, is a semiconductor diode that stores charge while forward-biased and then cuts off its reverse current almost instantly, making it useful in frequency multipliers and comb generators.
Step-through frame
A step-through frame is a bicycle frame with a low or absent top tube, letting riders mount by stepping through instead of swinging a leg over.
Step-Video
Step-Video is a family of open-weight video generation models released by the Chinese AI startup StepFun from February 2025, including the 30-billion-parameter text-to-video model Step-Video-T2V.
Step-voltage regulator
A step-voltage regulator (SVR) is a tap-changing autotransformer installed on medium-voltage distribution lines that adjusts voltage in 32 steps, boosting or bucking it up to 10%.
Stepa Stepanović
Stepa Stepanović (Степа Степановић, 1856–1929) was a Serbian field marshal who commanded the Second Army, winning the Battle of Cer in 1914 and breaking the Salonika front in 1918.
Stepan Apraksin
Stepan Apraksin (Степан Фёдорович Апраксин) was a Russian field marshal who won the Battle of Gross-Jägersdorf in 1757, then ordered a retreat that led to his arrest.
Stepan Bandera (Степан Андрійович Бандера)
Stepan Bandera (Степан Андрійович Бандера, 1909–1959), Ukrainian nationalist leader, head of the OUN(b) Banderite faction; proclaimed the 1941 Lviv Act, imprisoned by Poland and Germany, assassinated by KGB agent Stashynsky in Munich.
Stepan Makarov
Stepan Makarov (Степан Осипович Макаров) was a Russian vice-admiral, oceanographer, and polar explorer who led the first successful combat torpedo attack in 1878 and died commanding the Pacific Fleet in 1904.
Stepan Malkhasyants
Stepan Malkhasyants (Ստեփան Մալխասյանց, 1857–1947) was an Armenian philologist, linguist, and lexicographer whose four-volume Armenian Explanatory Dictionary, covering 120,000 words, won the USSR State Prize in 1946.