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Seating capacity
Seating capacity, also called seat or spectator capacity, is the number of people a vehicle is designed to carry, including the driver, printed on the tire and loading placard.
Seatrium
Seatrium is a Singapore engineering company for the offshore, marine, and energy sectors, formed in 2023 from the merger of Sembcorp Marine and Keppel Offshore & Marine.
Seattle Center Monorail
The Seattle Center Monorail, also known as the Seattle monorail, is an elevated transit line built in 1962 for the Seattle World's Fair, running between Westlake Center and Seattle Center.
Seattle City Light
Seattle City Light is the publicly owned, not-for-profit electric utility of the City of Seattle, created in 1910 and serving more than 503,000 customer premises with carbon-neutral electricity.
Seattle Underground
The Seattle Underground is a network of buried storefronts and sidewalks beneath Pioneer Square in Seattle, Washington, left behind when the streets were raised after the Great Seattle Fire of 1889.
Seattle–Tacoma International Airport
Seattle–Tacoma International Airport, also known as Sea-Tac Airport, is the main airport for the Seattle area, located in SeaTac, Washington, and operated by the Port of Seattle.
Seattle's Best Coffee
Seattle's Best Coffee is an American coffee brand begun in 1969 by the Stewart brothers on Whidbey Island, Washington, bought by Starbucks in 2003 and sold to Nestlé in 2023.
Seawall
A seawall is a rigid coastal defense structure, typically concrete, stone, or steel, built parallel to the shore to protect land behind it from wave attack, erosion, and flooding.
Seawater electrolysis
Seawater electrolysis is the electrochemical splitting of seawater into hydrogen and oxygen, directly or after desalination, as a route to green hydrogen. Its main obstacles are corrosion, chlorine side reactions, and limited catalyst lifetime.
Seaway Pipeline
The Seaway Pipeline is a crude oil pipeline linking Cushing, Oklahoma, to the Texas Gulf Coast, owned equally by Enterprise Products Partners and Enbridge and built in 1976.
Seawise Giant
Seawise Giant, also known as Jahre Viking and Knock Nevis, was an ultra-large crude supertanker, the longest self-propelled ship ever built at 458 meters, with a deadweight of 564,763 tonnes.
Seax
The seax (Scramseax) is a single-edged iron knife or long knife used by Germanic peoples, especially Anglo-Saxons and Franks, from the fifth to eleventh centuries.
Sebastian Deterding
Sebastian Deterding is a designer and researcher at Imperial College London's Dyson School of Design Engineering, best known for his work on gamification, including his widely cited 2011 definition.
Sebastian Padó
Sebastian Padó is a computational linguist who leads the Theoretical Computational Linguistics group at the University of Stuttgart, researching how computers process meaning in text.
Sebastian Thrun
Sebastian Thrun is a German-born computer scientist and Stanford professor, called the father of the modern self-driving car, who founded Google X and co-founded Udacity after building Stanley.
Sebastian Ziani de Ferranti
Sebastian Ziani de Ferranti (1864–1930) was a British electrical engineer who designed Deptford power station, the first in the world to supply electricity at 10,000 volts.
Sebastien Candel
Sébastien Candel is a French combustion and aeroacoustics specialist and professor emeritus at CentraleSupélec, known for research on combustion instability and cryogenic rocket propulsion and for presiding the Académie des sciences from 2017 to 2018.
Sébastien Le Prestre de Vauban
Sébastien Le Prestre de Vauban (1633–1707) was a French military engineer who served Louis XIV for over fifty years, directing sieges and fortifying France's frontiers.
Sebei 1 Gas Field
Sebei 1 Gas Field (涩北一号气田) is a Quaternary biogenic natural gas field in the eastern Qaidam Basin, Qinghai, China, discovered in 1964 and part of China's largest biogas producing area.
Sebei 2 Gas Field
Sebei 2 Gas Field (涩北二号气田) is a shallow Quaternary biogenetic natural gas field in the eastern Qaidam Basin, northwestern China, operated by PetroChina Qinghai Oilfield Company.
SECAM
SECAM, short for Séquentiel couleur à mémoire, is a French analog color television system invented by Henri de France, used mainly in France, the USSR, and francophone Africa.
Secaucus Junction
Secaucus Junction, formally the Frank R. Lautenberg Rail Station, is a New Jersey Transit station opened in 2003 where passengers transfer between lines to reach Penn Station New York.
Seccomp
Seccomp (secure computing mode) is a Linux kernel facility that lets a process restrict which system calls it may make, used by Docker, Chrome, and Firefox.
Secoda
Secoda is a Toronto-based software company founded in 2021 by Etai Mizrahi and Andrew McEwen offering an AI-powered data catalog, lineage, governance, and observability platform; YC S21, $16M raised, acquired by Atlassian in December 2025 for Rovo integration. Distinct from SECODA anomaly detection and UK SECODA LIMITED.
Second Avenue Subway
The Second Avenue Subway is a New York City Subway line in Manhattan; Phase 1 opened in 2017, extending the Q line to 96th Street.
Second engineer
The second engineer, also called the second engineer officer, is the officer second in command of a merchant ship's engine department, reporting to the chief engineer.
Second Fleet (Australia)
The Second Fleet was a 1790 British convict convoy to New South Wales whose three transports became the "death fleet" after 267 convicts died at sea.
Second Level Address Translation
Second Level Address Translation (SLAT), called nested paging under AMD-V, is an x86 virtualization hardware feature that maps guest-physical to host-physical addresses without hypervisor intervention.
Second mate
The second mate, also called the second officer, is a merchant ship's navigating officer, third in the deck department, responsible for charts, navigational equipment, and passage planning.
Second normal form
Second normal form (2NF) is a stage in database normalization, defined by E. F. Codd in 1971, where every non-key column depends on the entire primary key.