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Sintang Sultanate
The Sintang Sultanate was a Malay kingdom and later Islamic sultanate in the interior of West Kalimantan, Indonesia, at the confluence of the Kapuas and Melawi rivers.
Sintashta culture
Sintashta culture: Bronze Age archaeological culture (c. 2100–1800 cal BC) of the Southern Trans-Urals, also called Sintashta-Petrovka; known for fortified circular settlements, early spoked-wheel chariots, metallurgy, and its debated identification with Proto-Indo-Iranian speakers.
SINTEF Ocean
SINTEF Ocean is a Norwegian research institute for marine technology, fisheries, and aquaculture, part of the SINTEF group and headquartered at the Marine Technology Centre in Trondheim.
Sintering
Sintering is a manufacturing process that heats compacted powder below its melting point, bonding particles into a solid piece, used chiefly for ceramics and powder metallurgy.
Sinterklaas
Sinterklaas, also known as Sint-Nicolaas, is the Dutch and Flemish gift-bringing winter figure dressed as a bishop, celebrated each year on the evening of 5 December.
Sinti
The Sinti are a Romani people of Central and Western Europe, distinct from the Roma by self-identification and the Romanes language; a recognized national minority in Germany since 1995, targeted in the Nazi genocide.
Sintilimab
Sintilimab (信迪利单抗, Tyvyt, IBI308) is an anti-PD-1 monoclonal antibody by Innovent Biologics and Eli Lilly, first approved in China in December 2018 for Hodgkin lymphoma, with seven reimbursed indications and a 2022 FDA ODAC rejection.
Sintofen
Sintofen (aka cintofen), CAS 130561-48-7, is an EU-approved cinnoline carboxylic acid plant growth regulator used as a wheat chemical hybridizing agent for hybrid seed production, with ADI 0.091 mg/kg bw/day and default MRL 0.01 mg/kg.
Sintonia
Sintonia is a Brazilian Netflix drama series (2019-2025, five seasons) created by KondZilla, Guilherme Quintella, and Felipe Braga, following friends Doni, Nando, and Rita in a São Paulo favela through funk, crime, and religion.
Sintra
Sintra, Portugal: town and Serra forming the Cultural Landscape of Sintra, UNESCO World Heritage site since 1995 and first centre of European Romantic architecture, with Pena Palace, Moorish Castle and Monserrate gardens.
Sinuhé Fernández
Sinuhé Fernández Rodríguez is a Spanish road racing cyclist, born in 2000 in Asturias, who rides for the ProTeam Burgos Burpellet BH and excels in breakaways.
Šinuḫtu
Šinuḫtu (also written Shinuhtu) was a small Neo-Hittite kingdom in the Tabal region of southern Anatolia, whose king Kiyakiya was exiled by Sargon II around 718 BC.
Sinui byeolcho
Sinui byeolcho (also Sinui-gun) was a Goryeo military unit formed in the 1250s by Choe Hang from escaped Mongol prisoners; one of the three Sambyeolcho, it was disbanded in 1270.
Sinŭiju
Sinŭiju (신의주시), capital of North Pyongan province, North Korea, on the Yalu River opposite Dandong, China; about 360,000 people. Main China-DPRK trade gateway; New Yalu River Bridge opened there October 15, 2026 after a 12-year delay.
Sinularia
Sinularia, established in 1898, is a genus of about 150 species of leathery tropical soft corals in the family Alcyoniidae, dominant on many shallow Indo-Pacific reefs from the Red Sea to the Great Barrier Reef.
Sinulog
Sinulog, also called the Sinulog Festival, is Cebu City's annual January festival honoring the Santo Niño de Cebú, drawing crowds of up to several million.
Sinus (anatomy)
In anatomy, a sinus is an air-filled cavity within a bone or tissue, most often one of the four paired paranasal sinuses around the nose, which all drain into it.
Sinus Aestuum
Sinus Aestuum ("Seething Bay") is a 316.5-km lunar mare bay on the Moon's central near side, IAU-named in 1935, an ancient impact basin with low-Ti basalts and a large spinel-rich pyroclastic deposit.
Sinus Amoris
Sinus Amoris ("Bay of Love") is a 189.10-km bay-shaped lunar mare at 19.92°N, 37.29°E on the Moon's near side, northeast of Mare Tranquillitatis; IAU-approved Latin name, 1976.
Sinus Asperitatis
Sinus Asperitatis, "Bay of Roughness," is a 219 km lava bay on the Moon's near side at 5.41°S 27.49°E, north of Theophilus, merging into Mare Tranquillitatis; IAU-approved 1976.
Sinus bradycardia
Sinus bradycardia, also called sinus bradyarrhythmia, is a normal-rhythm heartbeat slower than 60 beats per minute, often harmless and seen in athletes and during sleep.
Sinus Concordiae
Sinus Concordiae, Latin for Bay of Harmony, is a 159 km lunar bay on the eastern edge of Mare Tranquillitatis at 10.98°N, 42.47°E, IAU-approved in 1976, bordered by Palus Somni and the ruined crater Da Vinci.
Sinus floor augmentation
Sinus floor augmentation, also called maxillary sinus floor augmentation, is a dental surgical procedure that lifts the sinus floor and adds bone graft to anchor implants in the upper jaw.
Sinus Honoris
Sinus Honoris (Bay of Honor) is a 111.61 km IAU-approved lunar bay of solidified lava at 11.72°N, 17.87°E on the northwest margin of Mare Tranquillitatis, named in 1976.
Sinus lift
A sinus lift, or maxillary sinus floor augmentation, is surgery that raises the sinus floor and adds bone so dental implants can anchor in the upper jaw.
Sinus Lunicus
Sinus Lunicus (Lunik Bay) is a 119.18 km lava bay on the southeastern edge of Mare Imbrium, named in 1970 for the Luna 2 impact site, near the Apollo 12 landing.
Sinus Medii
Sinus Medii, Latin for Central Bay, is a small lunar mare about 170 km across, at the center of the Moon's near side and explored by the Surveyor landers.
Sinus node dysfunction
Sinus node dysfunction, formerly sick sinus syndrome, is impaired sinoatrial node impulse generation or conduction causing bradycardia, pauses, or chronotropic incompetence; treated with dual-chamber pacemakers per DANPACE and MOST trial evidence.
Sinus node reentrant tachycardia
Sinus node reentrant tachycardia (SNRT, SANRT, sinoatrial reentry) is a rare paroxysmal focal atrial tachycardia from microreentry in the sinus node, with sinus-like P waves, 100-150 bpm, EPS diagnosis, and ablation when drugs fail.
Sinus pause
Sinus pause (sinus arrest): transient failure of the sinoatrial node to discharge, seen on ECG as absent P waves; pauses over 2-3 seconds, distinguished from SA exit block by a non-multiple P-P interval.