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Ras or RAS may refer to:


Arts and media

*
RAS Records RAS Records, also known as Real Authentic Sound, is a reggae record label. History RAS Records was founded in 1979 by Doctor Dread. In his travels to Jamaica he created a network within the reggae artist community there. By the early to mid-1980 ...
Real Authentic Sound, a reggae record label *
Rundfunk Anstalt Südtirol The Rundfunkanstalt Südtirol (Italian: ''Radiotelevisione Azienda Speciale'', Ladin: ''Radiotelevijion- Azienda per Südtirol'') is a public broadcasting service, completely funded by grants of the provincial government, for the majority German-spe ...
, a south Tyrolese public broadcasting service *
Rás 1 Rás 1 (; ''Channel 1'') is an Icelandic radio station belonging to and operated by Ríkisútvarpið (RÚV), Iceland's national public service broadcaster. Broadcast throughout Iceland on FM (92.4 and 93.5 MHz in Reykjavík), via satellite ...
, an Icelandic radio station *
Rás 2 Rás 2 (''Channel 2'') is an Icelandic radio station belonging to the National Icelandic Broadcasting Service, RÚV. Launched on 1 December 1983, it is currently the highest-rated radio station in Iceland, with a schedule composed chiefly of ne ...
, an Icelandic radio station *
Raise A Suilen Raise A Suilen (stylized as RAISE A SUILEN) is a Japanese all-female rock band that is part of Bushiroad's media franchise ''BanG Dream!''. Formed in 2018, the group's members portray fictional characters in the project's anime series and mobile ...
, a Japanese band


Organizations

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Railway Air Services Railway Air Services (RAS) was a British airline formed in March 1934 by the Big Four railway companies (the GWR, LMS, LNER and SR) and Imperial Airways. The airline was a domestic airline operating routes within the United Kingdom linking up ...
, a UK airline *
Rajasthan Administrative Service Rajasthan Administrative Service, popularly known as RAS, is a state civil service of state Rajasthan along with Rajasthan Accounts Service, Rajasthan Police Service and other services. The officers are included in the state cadre of civil ser ...
, India *
Remote Astronomical Society Observatory of New Mexico The Remote Astronomical Society (RAS) Observatory, Mayhill, also known as the New Mexico Skies Observatory ( obs. code H06) is a remotely controlled observatory hosted by the New Mexico Skies astronomy hosting company. It is located 15 miles n ...
* Richard Allen Schools, a charter school system in Ohio, USA * Richardson Adventist School, now North Dallas Adventist Academy *
IEEE Robotics and Automation Society The IEEE Robotics and Automation Society (IEEE RAS) is a professional society of the IEEE that supports the development and the exchange of scientific knowledge in the fields of robotics and automation, including applied and theoretical issues. ...
* Royal Air Squadron, a flying club in the UK *
Royal American Shows Royal American Shows (RAS) was a leading American traveling carnival company that operated from the 1920s to the 1990s in the United States and, until the 1970s, in Canada. The company promoted itself as the "Most Beautiful Show on Earth", with th ...
, an American travelling carnival company operating from the 1920s to the 1990s *
Royal Asiatic Society The Royal Asiatic Society of Great Britain and Ireland, commonly known as the Royal Asiatic Society (RAS), was established, according to its royal charter of 11 August 1824, to further "the investigation of subjects connected with and for the en ...
of Great Britain and Ireland *
Royal Astronomical Society (Whatever shines should be observed) , predecessor = , successor = , formation = , founder = , extinction = , merger = , merged = , type = NGO ...
, UK, founded 1820 *
Russian Academy of Sciences The Russian Academy of Sciences (RAS; russian: Росси́йская акаде́мия нау́к (РАН) ''Rossíyskaya akadémiya naúk'') consists of the national academy of Russia; a network of scientific research institutes from across t ...


Biology

* RAAS, the
renin–angiotensin system The renin–angiotensin system (RAS), or renin–angiotensin–aldosterone system (RAAS), is a hormone system that regulates blood pressure, fluid and electrolyte balance, and systemic vascular resistance. When renal blood flow is reduced, juxt ...
, a hormone system that regulates blood pressure *
Recurrent aphthous stomatitis Recurrence and recurrent may refer to: *''Disease recurrence'', also called relapse *''Eternal recurrence'', or eternal return, the concept that the universe has been recurring, and will continue to recur, in a self-similar form an infinite number ...
or canker sores *
Renal artery stenosis Renal artery stenosis (RAS) is the narrowing of one or both of the renal arteries, most often caused by atherosclerosis or fibromuscular dysplasia. This narrowing of the renal artery can impede blood flow to the target kidney, resulting in renova ...
, the narrowing of the renal arteries *
Respiratory airway secretory cell The respiratory airway secretory cell (RAS), is found in the lungs of humans and some other mammals, notably ferrets. They are facultative progenitors that have important functional roles in maintaining lung airway health. Their role in maintainin ...
, cells in humans and some other mammals that maintain airway health *
Reticular activating system The reticular formation is a set of interconnected nuclei that are located throughout the brainstem. It is not anatomically well defined, because it includes neurons located in different parts of the brain. The neurons of the reticular formatio ...
in the brain, regulating wakefulness *
Retinoic acid syndrome Retinoic acid syndrome (RAS) is a potentially life-threatening complication observed in people with acute promyelocytic leukemia (APML) and first thought to be specifically associated with all-''trans'' retinoic acid (ATRA) (also known as tretin ...
, a complication of acute promyelocytic leukemia *
Ras superfamily The Ras superfamily, derived from "Rat sarcoma virus", is a protein superfamily of small GTPases. Members of the superfamily are divided into families and subfamilies based on their structure, sequence and function. The five main families are Ras ...
, a superfamily of signalling proteins **
Ras subfamily Ras, from "Rat sarcoma virus", is a family of related proteins that are expressed in all animal cell lineages and organs. All Ras protein family members belong to a class of protein called small GTPase, and are involved in transmitting signals ...
, a family of signalling proteins


Science and technology

*
.ras Sun Raster was a raster graphics file format used on SunOS by Sun Microsystems. The format has no MIME type,.ras MIME type noregisteredat IANA it is specified in @(#)rasterfile.h 1.11 89/08/21 SMI. The format was used for some research papers. ...
, a SunOS raster format *
RAS algorithm The iterative proportional fitting procedure (IPF or IPFP, also known as biproportional fitting or biproportion in statistics or economics (input-output analysis, etc.), RAS algorithm in economics, raking in survey statistics, and matrix scaling in ...
, an algorithm for iterative proportional fitting in economics *
RAS supergroup The SAR supergroup, also just SAR or Harosa, is a clade that includes stramenopiles (heterokonts), alveolates, and Rhizaria. The name is an acronym derived from the first letters of each of these clades; it has been alternatively spelled "RAS". T ...
or SAR supergroup, a plant clade *
Recirculating aquaculture system Recirculating aquaculture systems (RAS) are used in home aquaria and for fish production where water exchange is limited and the use of biofiltration is required to reduce ammonia toxicity. Other types of filtration and environmental control ar ...
, an aquarium system that filters water rather then requiring new water supplies *
Registered Accessibility Specialist A 'Registered Accessibility Specialist'' (RAS) is a professional licensed by thto determine if a part of the built environment (building, park, sidewalk A sidewalk (North American English), pavement (British English), footpath in Australia, In ...
, an official in Texas who evaluates accessibility *
Registration, Admission and Status H.323 is a recommendation from the ITU Telecommunication Standardization Sector (ITU-T) that defines the protocols to provide audio-visual communication sessions on any packet network. The H.323 standard addresses call signaling and control, m ...
, a telephony protocol under H.323 *
Reliability, availability and serviceability Reliability, availability and serviceability (RAS), also known as reliability, availability, and maintainability (RAM), is a computer hardware engineering term involving reliability engineering, high availability, and serviceability design. The p ...
of computer hardware *
Remote access service A remote access service (RAS) is any combination of hardware and software to enable the remote access tools or information that typically reside on a network of IT devices. A remote access service connects a client to a host computer, known as a ...
, on a network * Reusable Asset Specification of software * Row Address Strobe in
dynamic random-access memory Dynamic random-access memory (dynamic RAM or DRAM) is a type of random-access semiconductor memory that stores each bit of data in a memory cell, usually consisting of a tiny capacitor and a transistor, both typically based on metal-oxide ...
*
Russian Accounting Standards Russian Accounting Standards (RAS; russian: Российские стандарты бухгалтерского учёта, РСБУ), also called Russian Accounting Principles (RAP) or Russian GAAP, refer to the body of regulatory documents conc ...


People

* Ras (surname), several people * Ras, the nickname for someone with the given name of
Rasmus (given name) Rasmus is a shortened form of "Erasmus", a name which means "beloved" and was the name of Erasmus of Formia, a well-known saint. It is a common male name in Scandinavia. People with the given name Rasmus include: *Rasmus B. Anderson (1846–1936) ...
*
Ra's al Ghul Ra's al Ghul, commonly pronounced correctly as ''Re'sh'', hence or ; "The Head of the Demon" or, in a rougher translation, "The Chief Demon". is a supervillain appearing in American comic books published by DC Comics, commonly as an adversary o ...
, a fictional villain in Batman media *
Ras Muhamad Muhamad Egar known by his stage name Ras Muhamad (born October 29, 1982) is an Indonesian reggae singer. He took his stage name while a student in Brooklyn, United States. Early life and education Muhamad Egar was born on October 29, 1982, in Ja ...
(born 1982), Indonesian reggae singer *
Nicholas Furlong (musician) Nicholas Furlong (born September 16, 1986) is an American singer, songwriter, and record producer. His work crosses several musical genres, ranging from dance, rock, and pop, to rap and hip-hop. He is best known for writing and singing vocals o ...
or Ras *Rassius "Ras" Luine, a character from ''
Tales of Eternia , known as ''Tales of Destiny II'' in its original North America release, is an action role-playing game published by Namco as the third main title in their '' Tales'' series. Initially released for the PlayStation in November 2000 in Japan, an ...
''


Other uses

* Ras (fascism), a title for a regional leader in fascist Italy *
Ras (title) Ras ( compare with Arabic Rais or Hebrew Rosh), is a royal title in the Ethiopian Semitic languages. It is one of the powerful non-imperial titles. Historian Harold G. Marcus equates the Ras title to a duke; others have compared it to "prince". ...
, an Ethiopian aristocratic and court title, as in Ras Tafari *
Ras cheese Rumi cheese ( arz, جبنه رومى '  , also known as ' in Alexandria) is one of the main types of cheese in Egypt. It has a pungent smell, and different degrees of saltiness depending on the age. Description Rumi is thought to be der ...
, a variety popular in Egypt *
RAS syndrome RAS syndrome (where "RAS" stands for "redundant acronym syndrome", making the phrase "RAS syndrome" Autological word, homological) is the redundant use of one or more of the words that make up an acronym (or other initialism) in conjunction with ...
, "redundant acronym syndrome" syndrome *
Rás Tailteann Rás Tailteann (; "Tailteann Race"), often shortened to the Rás, is an annual international cycling stage race, held in Ireland. Traditionally held in May, the race returned after a hiatus in 2022 as 5 day event held in June. By naming the rac ...
, an annual cycling race in Ireland *
Stari Ras Ras ( sr-Cyrl, Рас; lat, Arsa), known in modern Serbian historiography as Stari Ras ( sr-Cyrl, Стари Рас, "Old Ras"), is a medieval fortress located in the vicinity of former market-place of ''Staro Trgovište'', some 11 km west ...
, a capital city of medieval Serbian state of Raška *
Replenishment at sea Replenishment at sea (RAS) (North Atlantic Treaty Organization/Commonwealth of Nations) or underway replenishment (UNREP) (U.S. Navy) is a method of transferring fuel, munitions, and stores from one ship to another while under way. First develope ...
, providing naval ships with supplies while at sea


See also

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Ra (disambiguation) Ra is the Sun-god of Ancient Egypt. Ra or RA may also refer to: Arts and entertainment Film and television * Ra (Stargate), a character from the film ''Stargate'', based on the Egyptian god * ''Ra'' (1972 film), a 1972 documentary film about ...
* Rass (disambiguation) * Raz (disambiguation) {{disambiguation, geo, given name