All articles starting with R
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Rasputitsa
Rasputitsa (распу́тица), also bezdorozhye/bezdorizhzhia, is the twice-yearly spring-thaw and autumn-rain mud season of Russia, Belarus, and Ukraine, when unpaved roads become impassable; it shaped Napoleon's 1812 retreat and WWII Eastern Front operations.
Rasraj
Rasraj (रसराज, "king of rasas") is a Hindi honorific for shringar rasa, the amorous sentiment, and a 17th-century Braj treatise on it by the Riti poet Matiram.
Rassam Cylinder
The Rassam Cylinder, also called Prism A, is a ten-sided clay prism inscribed with the annals of the Assyrian king Ashurbanipal, found at Nineveh in 1854.
Rassam Obelisk
The Rassam Obelisk is a fragmentary basalt obelisk of the Assyrian king Ashurnasirpal II, found in many pieces at Nimrud in 1853 and reconstructed for the British Museum.
RASSF1
RASSF1 (Ras-association domain family member 1), a tumor suppressor gene at 3p21.3 with isoforms RASSF1A and RASSF1C; RASSF1A is silenced by promoter hypermethylation in at least 37 tumor types, distinguishing it from mutation-inactivated suppressors.
Rassie Erasmus
Rassie Erasmus (Johan Erasmus, born 1972) is a South African rugby coach and former Springbok loose forward; head coach of the Springboks, he won the 2019 and 2023 Rugby World Cups and became the most-capped Springbok head coach in 2026.
Rassie van der Dussen
Rassie van der Dussen (Hendrik Erasmus van der Dussen), South African right-handed top-order batter born 1989 in Pretoria; debuted 2018, retired from all international formats 2 April 2026 with ODI average 50.13 and a best ICC ODI ranking of No. 2.
Rassilon
Rassilon is a Doctor Who character, one of the founders of Time Lord society on Gallifrey and its Lord President. First mentioned in The Deadly Assassin (1976), seen in The Five Doctors, The End of Time (Timothy Dalton) and Hell Bent (Donald Sumpter).
Rassini
Rassini is a Mexican automotive parts company producing suspension springs and brake components for Ford, GM, and Nissan, described as the world's largest maker of light-commercial-vehicle suspension.
RASSOR
RASSOR (Regolith Advanced Surface Systems Operations Robot) is a teleoperated robotic excavator developed at NASA's Kennedy Space Center to dig, haul, and dump lunar regolith in very low gravity.
Rassundari Devi
Rassundari Devi (रससुन्दरी देवी), born around 1809 in Pabna district, secretly taught herself to read and write and wrote Amar Jiban, the first autobiography by a Bengali woman.
Rassvet
Rassvet (Рассвет, "dawn") is a common Russian toponym for many villages and settlements, including Rassvet in Aksaysky District, Rostov Oblast (about 4,960 residents), a Bosporan archaeological settlement, and places in Krasnoyarsk Krai, Chelyabinsk Oblast, and elsewhere.
Rassvet (ISS module)
Rassvet is a Russian ISS module attached to Zarya, launched in 2010, used for cargo storage and as a docking port for Soyuz and Progress vehicles.
Rasta
Rasta, born Stefan Đurić in 1989 in Priština, is a Serbian R&B, reggae, and hip hop singer and producer who founded the Balkaton label and broke through with "Kavasaki" in 2014.
Rastafari
Rastafari, also known as Rastafarianism, is a religious movement that arose in Jamaica in the early 1930s around belief in the divinity of Ethiopia's emperor, Haile Selassie I.
Rastak Ensemble
Rastak Ensemble (رستاک), formed in Iran in 1997 by Siamak Sepehri with Behzad Pournaghi and now based in Istanbul, is a seven-piece contemporary Iranian folk group collecting, recording, and reinterpreting regional folk songs for global audiences.
Rastaman Vibration
Rastaman Vibration is a roots reggae album by Bob Marley & The Wailers, released April 30, 1976 on Island Records and reaching No. 8 on the Billboard 200.
Rastatt
Rastatt is a town in Baden-Württemberg, Germany, and the seat of the district of Rastatt, known for its Baroque Residential Palace and the 1714 Treaty of Rastatt.
Rastellum
Rastellum, extinct Cretaceous oyster genus (Faujas de Saint Fond, 1799), also called Arctostrea; ribbed, curved fossil bivalve shells; type species R. diluvianum (Linnaeus, 1767); distinct from Mirapecten rastellum.
Raster
Raster was a Dutch literary magazine founded in 1967 by writer and poet H.C. ten Berge, giving experimental Dutch and foreign writing a platform for four decades.
Raster graphics
Raster graphics, also called bitmap graphics, are digital images made of a rectangular grid of pixels, each storing a color; unlike vector graphics, enlarging a raster image can blur it.
Raster image correlation spectroscopy
Raster image correlation spectroscopy (RICS) is a fluorescence microscopy method introduced by Michelle Digman and colleagues in 2005 that measures molecular diffusion, concentration, and aggregation in living cells.
Rasterisation
Rasterisation (rasterization) converts projected 3D primitives, usually triangles, into screen pixels via fragments in the GPU graphics pipeline; uses top-left rule, z-buffering, MSAA; contrasted and hybridized with ray tracing.
Rastislav of Moravia
Rastislav of Moravia, also Rostislav, was prince of Great Moravia from 846 to 870. Installed by Louis the German, he invited the Byzantine mission of Cyril and Methodius in 863.
Rastrelliger kanagurta
Rastrelliger kanagurta, the Indian mackerel (Japanese グルクマ), a schooling Scombridae fish of the tropical Indo-West Pacific; plankton feeder, highly commercial, IUCN Least Concern, FAO catches near 300,000 t.
Rastrineobola argentea
Rastrineobola argentea, the silver cyprinid (dagaa, mukene, omena), is a small pelagic cyprinid fish endemic to the Lake Victoria basin, reaching 8 cm, feeding on zooplankton, and supporting Lake Victoria's largest fishery by mass.
Rastriya Prajatantra Party (राष्ट्रिय प्रजातन्त्र पार्टी)
Rastriya Prajatantra Party (राष्ट्रिय प्रजातन्त्र पार्टी, RPP), also called National Democratic Party, is Nepal's right-wing pro-monarchy, pro-Hindu-state party, founded in 1990 by former Panchayat leaders and led by Rajendra Lingden.
Rasual Butler
Rasual Butler (Sual Bop), 1979-2018, American NBA forward from Philadelphia; La Salle product drafted 53rd overall by Miami Heat in 2002; played 13 seasons for eight teams, 7.5 PPG; died in a 2018 car crash with wife Leah LaBelle.
Rasul Mir
Rasul Mir (رسول میر) was a nineteenth-century Kashmiri romantic poet born at Dooru Shahabad around 1840, known for popularizing the ghazal in Kashmiri and called the John Keats of Kashmir.
Rasulid dynasty
The Rasulid dynasty (بنو رسول) was a Sunni Muslim state of Turkoman origin that ruled Yemen from 1229 to 1454, founded by Nur al-Din Umar and ended by the Tahirids.