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Superabsorbent polymer
A superabsorbent polymer, also called slush powder, is a crosslinked polymer that absorbs over 1,000 times its weight in water, used mainly in disposable diapers.
Superacid
A superacid is an acid stronger than 100 percent sulfuric acid, defined by Robert Gillespie as having a Hammett acidity H0 of −12 or lower.
Superaequum
Superaequum: Roman municipium of Regio IV in the Valle Subequana, Abruzzo; third Pelignian municipium named by Pliny, with remains at Macrano near Castelvecchio Subequo and a disputed Iron Age nucleus near Secinaro.
Superaerophobic electrodes
Superaerophobic electrodes are gas-evolving electrodes whose surfaces repel gas bubbles underwater, defined by a bubble contact angle above 150°; they improve hydrogen and oxygen evolution in water electrolysis.
Superalignment team departures
The Superalignment team departures were the May 2024 resignations of Ilya Sutskever and Jan Leike, co-leaders of OpenAI's Superalignment team, followed by the team's dissolution.
Superalloy
A superalloy is an iron-, nickel-, or cobalt-based alloy that keeps most of its strength above 650 °C, developed for turbine engines after World War II.
SuperAnnotate
SuperAnnotate (SuperAnnotate AI, Inc.) is a San Francisco AI data platform company founded in 2018 by brothers Tigran and Vahan Petrosyan, offering multimodal data annotation, evaluation, RLHF workflows, and a managed expert workforce; backed by NVIDIA, Socium Ventures, Base10, Point Nine, and Dell Technologies Capital.
Superannuation in Australia
Superannuation in Australia, known as super, is the compulsory private retirement saving system under which employers contribute a percentage of employees' earnings, 12% from 2025, alongside the Age Pension.
Superatom
A superatom is a cluster of atoms that mimics the chemical behavior of a single atom, with stable closed-shell clusters proposed as building blocks for new materials.
Superb microvascular imaging
Superb microvascular imaging (SMI) is a Canon ultrasound Doppler technique that displays low-velocity flow in small vessels without contrast agents, used in breast, thyroid, and liver imaging.
Superbabies: Baby Geniuses 2
Superbabies: Baby Geniuses 2 is a 2004 American family action comedy directed by Bob Clark and starring Jon Voight, the sequel to the 1999 film Baby Geniuses.
Superbad
Superbad (2007) is a Columbia Pictures teen comedy directed by Greg Mottola, written by Seth Rogen and Evan Goldberg from a script begun at age 13, starring Jonah Hill, Michael Cera, and Christopher Mintz-Plasse as McLovin.
SUPERball
SUPERball is a spherical tensegrity robot prototype developed at NASA Ames Research Center as an untethered landing and rolling rover for planetary missions, notably to Titan.
Superballistic electron flow
Superballistic electron flow is a transport regime in which electron-electron collisions make electrons flow like a viscous fluid, so conductance exceeds the Landauer ballistic limit, predicted in 2017.
Superbank (Indonesia)
Superbank is an Indonesian digital bank backed by Grab, Emtek, Singtel, KakaoBank, and GXS Bank, which launched its app in 2024 and listed on the Indonesia Stock Exchange in 2025.
Superbet
Superbet is a Romanian-founded sports betting and gaming operator founded by Sacha Dragic in 2008, with over 1,200 Romanian outlets and backing from Blackstone since 2019.
Superbike World Championship
The Superbike World Championship (WorldSBK) is the FIM's world championship for motorcycle road racing with machines derived from mass-production road bikes, launched in 1988 and owned by Dorna Sports since 2013.
Superbloom (Jessie Ware album)
Superbloom is Jessie Ware's sixth studio album, released April 17, 2026 on EMI, the third in her disco trilogy after What's Your Pleasure? and That! Feels Good!; 13 tracks, Metascore 75, singles include I Could Get Used to This.
Superbonus 110%
The Superbonus 110% was an Italian tax incentive, introduced in 2020 as part of the post-Covid recovery, that deducted 110 percent of renovation costs and generated over €170 billion in subsidized spending.
SuperBot (robot)
SuperBot is a modular, self-reconfigurable robot developed at USC's Information Sciences Institute in 2005, whose battery-powered modules dock and reshape into snakes, tracks, and arms.
Superboy
Superboy, Kon-El/Conner Kent, a DC Comics character cloned from Superman's and Lex Luthor's DNA with tactile telekinesis; distinct from the original boyhood Clark Kent Superboy (More Fun Comics #101, 1945), Superboy-Prime, and Jon Kent.
Superboy (TV series)
Superboy (1988-1992), later The Adventures of Superboy, is a half-hour syndicated live-action series from Salkind producers about Clark Kent's college years, with John Haymes Newton and Gerard Christopher as Superboy and Stacy Haiduk as Lana Lang.
Superboy-Prime
Superboy-Prime, Clark Kent of Earth-Prime, a DC Comics character introduced in DC Comics Presents #87 (1985); a heroic Crisis survivor who became Infinite Crisis's central villain, killed Kon-El, destroyed Earth-15, and now leads the Superman title in 2026.
Superboys of Malegaon
Superboys of Malegaon (सुपरबॉय्ज़ ऑफ मालेगाँव) is a 2024 Hindi comedy-drama directed by Reema Kagti, written by Varun Grover, based on amateur filmmaker Nasir Shaikh and inspired by the 2008 documentary Supermen of Malegaon; released theatrically February 28, 2025.
Superbubble
A superbubble, also called a supershell, is a large cavity of hot, tenuous gas in the interstellar medium, blown by the combined stellar winds and supernovae of massive stars in a cluster.
Supercalifragilisticexpialidocious
Supercalifragilisticexpialidocious is a 34-letter nonsense word meaning wonderful, popularized by the 1964 Mary Poppins song by the Sherman brothers, with recorded variants from 1931 and a dismissed 1965 lawsuit.
SuperCam
SuperCam is a remote-sensing instrument on NASA's Perseverance rover, landed in Jezero Crater in 2021, that analyzes Martian rocks from a distance with laser spectroscopy, imaging, and a microphone.
Supercapacitor
A supercapacitor, also called an ultracapacitor or electrochemical capacitor, is an energy storage device between capacitors and batteries, charging fast and lasting up to one million cycles.
Supercar
A supercar is a high-performance, low-volume production road car above the sports car in price, power, and exclusivity, typically costing $250,000 or more with 500 hp or more.
Supercar (group)
Supercar (スーパーカー) was a Japanese rock band formed in 1995 in Hachinohe, Aomori, and active until 2005, known for a decade-long shift from distortion-heavy alternative rock into electronica.