All articles starting with R
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Rasapuspa
Rasapuspa (Rasapuṣpa), an Ayurvedic mercurial preparation of mercurous chloride (Hg2Cl2, calomel), a Nirgandha Kupipakwa Rasayana first described in Rasatarangini, used for syphilitic wounds and skin disease.
Rasaraja Rasa
Rasaraja Rasa (रसराज रस), also Rasaraj Rasa, a classical Ayurvedic herbo-mineral rasa shastra formulation of purified mercury with gold, silver, iron, tin, and mica bhasmas; AFI Part I Vol. X; used for vata disorders such as hemiplegia and studied in post-stroke depression.
Rasaratnasamuccaya
Rasaratnasamuccaya (Rasaratna Samuccaya), a 13th-century Sanskrit treatise of Rasaśāstra by Vāgbhaṭa son of Siṃhagupta, synthesizing Indian alchemy and iatrochemistry: mercury processing, Shodhana, Marana, gems, and mineral therapies for about 68 ailments.
Rasarnavasudhakara
Rasarnavasudhakara (रसार्णवसुधाकरः) is a 14th-century Sanskrit treatise on dramaturgy and aesthetics by the Telugu king Singabhupala, covering rasa theory, hero and heroine classification, and forms of drama.
Rasasindura
Rasasindura Rasa (rasasindoor) is an Ayurvedic mercurial medicine of essentially pure α-HgS (mercuric sulfide, >99%), made from purified mercury and sulfur by Kupipakwa heating, first described in the 15th-century Rasendra Chintamani and studied for toxicity.
Rasasindura Rasa Parpati
Rasasindura Rasa Parpati: two related Ayurvedic mercury preparations of Rasashastra. Rasasindura is a red α-HgS nanopowder (84-89% mercury) taken with honey; Rasa Parpati is a thin flake of Kajjali (mercury-sulphur) used for Grahani. Both tested non-toxic at therapeutic doses in animals.
Rasatantrasara
Rasatantrasara (Rasatantrasara va Siddhaprayoga Sangraha), by Thakur Nathusingh Ji/Swami Krishnanda, is a modern two-part Rasashastra formulary published by Krishna Gopal Ayurveda Bhawan, Ajmer, in many editions, widely cited in Ayurvedic research and patents.
Rasatarangini
Rasatarangini (Rasataraṅgiṇī), a classical Sanskrit Rasashastra treatise attributed to Sadananda Sharma, covers mercurial and herbo-mineral Ayurvedic medicines, bhasma doses, purification, and toxicity management, and serves as a scheduled reference in modern Ayurvedic manufacturing and safety research.
Rasavad
Rasavad (रसवाद) is a doctrine in Sanskrit and Hindi poetics holding that rasa, aesthetic sentiment, is the soul of poetry; in Hindi it is associated with the Ritikaal poets Dev, Matiram, and Bihari.
Rasavahini
Rasavahini (Pali Rasavāhinī) is a Pali collection of 103 Buddhist legends composed in Sri Lanka by the monk Vedeha Thera, most likely between the 12th and 14th centuries.
Rasavathi (ரசவதி)
Rasavathi (ரசாவதி, Rasavaathi) is a 2024 Tamil romantic revenge thriller directed by Santhakumar, starring Arjun Das as a Kodaikanal Siddha doctor pursued by Sujith Shankar's vengeful inspector; released 10 May 2024, music Thaman S.
Rasayana maha kalyanaka ghrta
Rasayana maha kalyanaka ghrta (Mahā kalyāṇaka ghṛta), a classical Ayurvedic medicated ghee from the Sushruta Samhita, listed in the Ayurvedic Formulary of India (AFI000105, 12 g dose) for memory impairment and studied in cognition trials.
Rasayana therapy
Rasayana therapy is an Ayurvedic rejuvenation treatment, one of Ayurveda's eight specialties, using herbal and dietary preparations to delay aging and improve memory, strength, and immunity.
Rasayogasagara
Rasayogasagara (रसयोगसागरः), meaning "ocean of rasa formulations," is a Sanskrit Ayurvedic formulary compiled by Vaidya Pandit Hariprapannaji that covers only mineral- and metal-based Rasaushadhi medicines.
Rasberry crazy ant
Rasberry crazy ant, formally tawny crazy ant (Nylanderia fulva), an invasive South American ant found near Houston, Texas in 2002; polygyne supercolonies, no stinger, displaces red imported fire ants, damages electrical equipment, spread by budding and human transport.
Rasbhari
Rasbhari (रसभरी) is a 2020 Hindi comedy-drama web series on Amazon Prime Video, directed by Nikhil Nagesh Bhat, starring Swara Bhasker as teacher Shanoo in Meerut; 8 episodes, controversial, one season.
Rasburicase
Rasburicase (Fasturtec, Elitek) is a recombinant urate oxidase that converts uric acid to allantoin, given intravenously at 0.2 mg/kg daily to treat and prevent tumor lysis syndrome; contraindicated in G6PD deficiency.
Rascal Does Not Dream
Rascal Does Not Dream (Seishun Buta Yaro, Aobuta) is a Japanese light novel series by Hajime Kamoshida and Keiji Mizoguchi (Dengeki Bunko, 2014–2024, 15 volumes) about Sakuta Azusagawa and Puberty Syndrome, adapted by CloverWorks into a 2018 anime, films, and a 2025 University Arc season.
Rascal Does Not Dream of a Dreaming Girl
Rascal Does Not Dream of a Dreaming Girl (青春ブタ野郎はゆめみる少女の夢を見ない) is a 2019 CloverWorks anime film adapting volumes 6-7 of Kamoshida's Seishun Buta Yarou novels, following Sakuta, Mai, and the two Shokos; 89 minutes, Aniplex, 510 million yen.
Rascal Flatts
Rascal Flatts is an American country-pop trio from Nashville formed in 1999, featuring Gary LeVox, Jay DeMarcus, and Joe Don Rooney, with hits like "Bless the Broken Road."
Rascals (रास्कल्स)
Rascals (रास्कल्स) is a 2011 Hindi action comedy directed by David Dhawan, starring Sanjay Dutt, Ajay Devgn, Kangana Ranaut, and Arjun Rampal as conmen Chetan and Bhagat wooing Khushi while Anthony kidnaps her; released 6 October 2011, it earned ₹52.96 crore worldwide but drew negative reviews.
Rasch model
The Rasch model, also called Rasch analysis, is a psychometric item-response model that converts the difference between a person's ability and an item's difficulty into the probability of a correct response.
Rasenia
Rasenia (Salfeld, 1913) is an extinct Late Jurassic ammonite genus in subfamily Aulacostephaninae, index of the lower Kimmeridgian Rasenia cymodoce Zone, known from Britain, Greenland, Spitsbergen, Siberia, and Arctic Canada.
RasGas Alpha Oil and Gas Field
RasGas Alpha (RasGas Alfa) is an offshore natural gas complex in Qatar's North Field, commissioned in 1999, producing 1.2 billion cubic feet of gas per day for LNG export.
Rasgulla
Rasgulla (Bengali roshogolla, Odia rasagola) is a spongy chhena sweet boiled in sugar syrup. West Bengal's version is credited to Nobin Chandra Das (1868); Odisha ties its version to Puri's Jagannath Temple ritual. Both hold separate GI tags (2017, 2019).
Rash
Rash (dermatitis, skin rash): an area of irritated or swollen skin with color, texture, or feeling changes, caused by contact dermatitis, infections, drugs, or systemic disease; diagnosed by morphology and treated with steroids and antihistamines.
Rash Behari Bose (রাসবিহারী বসু)
Rash Behari Bose (রাসবিহারী বসু, 1886–1945), Indian revolutionary: organized the 1912 Delhi bomb attack on Viceroy Hardinge, fled to Japan in 1915 as 'Nakamuraya no Bose', led the Indian Independence League and first INA, and handed leadership to Subhas Chandra Bose in July 1943.
Rash guard
Rash guard (rashie): a close-fitting polyester/spandex shirt worn in and near water. Invented by 1970s Australian surfers against surfboard-wax rash; now rated UPF 50+ for UV protection, distinct from loose swim shirts, and standard wear in BJJ no-gi grappling.
Rash localised
Rash localized, ICD-11 code ME66.60, is a highly non-specific symptom code for a localized acquired visible change in the skin, used when no precise diagnosis can be made.
Rasha Al‐Lamee
Rasha Al-Lamee, also known as Rasha K. Al-Lamee, is an interventional cardiologist and clinical professor at Imperial College London who led the placebo-controlled ORBITA trials of coronary angioplasty.