RI


RI


RI or ri may refer to:

People

  • Ri, a common Korean surname, a variant romanization of Lee
  • Rí (rig), an ancient Gaelic word meaning "king"
  • Ri (pronoun), a gender-neutral pronoun in Esperanto
  • RI, an initialism of Rex Imperator (king-emperor) or Regina Imperatrix (queen-empress), used by those British monarchs who were rulers of both the United Kingdom and the Indian Empire

Places

  • Ri (administrative division), an administrative unit in both North Korea and South Korea
  • Ri, Orne, a commune of the Orne département in France
  • RI, abbreviation of either the Republic of Indonesia or, in the Indonesian language, Republik Indonesia
  • Rhode Island, a state within the US (postal abbreviation RI)

Arts and media

  • Ri, an augmented second in solfege, used in music education
  • Ri, a representation of the second svara in Indian classical music
  • Russia Insider, a pro-Kremlin news and propaganda website

Businesses and organizations

  • Raffles Institution, a school in Singapore
  • Refugees International, an international humanitarian organization
  • Rehabilitation International, an international disability rights organization
  • Rotary International, international organization of business and professional leaders focused on non-political and non-sectarian humanitarian service
  • Royal Institution of Great Britain, an organisation devoted to scientific education and research
  • Royal Institute of Painters in Water Colours, a society in the Federation of British Artists
  • Chicago, Rock Island and Pacific Railroad (reporting mark RI)
  • Tigerair Mandala (IATA airline designator RI)
  • Italian Radicals, a political party in Italy

Science, technology, and mathematics

  • Ri (prefix symbol), a binary unit prefix symbol
  • Referential integrity, a database concept
  • Refractive index of an optical medium (in physics/optics) is a number that describes how light propagates through that medium
  • Arterial resistivity index, a measure of pulsatile blood flow
  • Ring Indicator, a signal in the RS232 serial communications standard
  • Rhombicosahedron, a polyhedron, by Bowers acronym
  • Residual income, a financial profitability measure of a company
  • Reputation Institute, a research and insights company that analyzes the reputation of corporations and places
  • Rapid intensification, a phenomenon in which the wind speed of a tropical cyclone increases dramatically in a short period of time
  • Research infrastructure, national or international infrastructure open to scientists (e.g. CERN)
  • Research institute, an establishment founded for doing research
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Other uses

  • Ri (cuneiform), a cuneiform sign
  • Ri (kana), a Romanization of the Japanese kana り and リ
  • Ri, a unit of measurement in Japan and Korea related to the Chinese li
  • Rock Island District, a commuter rail line on Chicago's Metra (abbreviated as RI on maps and schedules)

See also

  • All pages with titles containing ris
  • All pages with titles containing ri
  • Isaac ben Samuel, known as the Ri ha-Zaken, a 12th-century French tosafist and Biblical commentator
  • Riri (disambiguation)
  • Ris (disambiguation)
  • IR (disambiguation)

Text submitted to CC-BY-SA license. Source: RI by Wikipedia (Historical)



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