• rn (newsreader)
  Rn (newsreader)
  rn is a news client written by Larry Wall and originally released in 1984. It was one of the first newsreaders to take full advantage of character-addressable CRT terminals...
  
  , a Usenet news client
• RN the code for County Roscommon
  County Roscommon
  County Roscommon is a county in Ireland. It is located in the West Region and is also part of the province of Connacht. It is named after the town of Roscommon. Roscommon County Council is the local authority for the county...
  
  , Ireland
• RN, the published memoirs of American President Richard Nixon
  Richard Nixon
  Richard Milhous Nixon was the 37th President of the United States, serving from 1969 to 1974. The only president to resign the office, Nixon had previously served as a US representative and senator from California and as the 36th Vice President of the United States from 1953 to 1961 under...
  
  
• Air Horizons
  Air Horizons
  Air Horizons was an airline based in Paris, France. It operated charter flights for tour operators to the Mediterranean and Africa. Its main bases were Orly Airport, Paris, Charles de Gaulle International Airport, Paris and Le Bourget Airport, Paris....
  
  's IATA code
• Fuerzas Armadas de la Resistencia Nacional
  Fuerzas Armadas de la Resistencia Nacional
  Las Fuerzas Armadas de la Resistencia Nacional was the military arm of National Resistance, a Salvadoran communist organization that was founded on May 10, 1975 when ideological differences within the ERP and the assassinations of Roque Dalton and Armando Arteaga made some members break away from...
  
  , political party of El Salvador
• Province of Rimini
  Province of Rimini
  The Province of Rimini is a province in the Emilia-Romagna region of Italy. Its capital is the city of Rimini. It borders the state of San Marino.-History:...
  
  's ISO 3166-2:IT code
• Radio National
  Radio National
  ABC Radio National is an Australia-wide non-commercial radio network run by the Australian Broadcasting Corporation.Radio National broadcasts national programming in areas that include news and current affairs, the arts, social issues, science, drama and comedy...
  
  , an Australia-wide radio network broadcast by the Australian Broadcasting Corporation
• Radon
  Radon
  Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as the decay product of uranium or thorium. Its most stable isotope, 222Rn, has a half-life of 3.8 days...
  
   (symbol Rn), a chemical element
• Regia Nave (Italian
  Italian language
  Italian is a Romance language spoken mainly in Europe: Italy, Switzerland, San Marino, Vatican City, by minorities in Malta, Monaco, Croatia, Slovenia, France, Libya, Eritrea, and Somalia, and by immigrant communities in the Americas and Australia...
  
  , meaning "Royal Ship"), a ship belonging to the Regia Marina
  Regia Marina
  The Regia Marina dates from the proclamation of the Kingdom of Italy in 1861 after Italian unification...
  
  
• Registered Identification Number
  Registered Identification Number
  A registered identification number is a number issued by the Federal Trade Commission, upon request, to a business residing in the United States that is engaged in the manufacture, importation, distribution, or sale of textile, wool, or fur products.Such businesses are not required to have RNs...
  
  , a number issued by the Federal Trade Commission, used on clothing tags and labels
• Registered nurse
  Registered nurse
  A registered nurse is a nurse who has graduated from a nursing program at a university or college and has passed a national licensing exam. A registered nurse helps individuals, families, and groups to achieve health and prevent disease...
  
   or National Renewal (Chile)
  National Renewal (Chile)
  National Renewal , is a liberal conservative political party belonging to the Chilean right-wing political coalition Coalition for Change in conjunction with the Independent Democratic Union and the Chile First movement...
  
  , a Chilean political party
• Resistencia Nacional
  Resistencia Nacional
  Resistencia Nacional is a Salvadoran political party.It began as a revolutionary organization founded on March 10, 1975 which became part of the FMLN coalition in 1980, against the military junta in the Salvadoran Civil War.- The Birth of The National Resistance...
  
   of El Salvador
• Rio Grande do Norte
  Rio Grande do Norte
  Rio Grande do Norte is one of the states of Brazil, located in the northeastern region of the country, occupying the northeasternmost tip of the South American continent. Because of its geographic position, Rio Grande do Norte has a strategic importance. The capital and largest city is Natal...
  
  , ISO 3166-2:BR code of the Brazilian state
• Round nose, a type of bullet
• Royal Navy
  Royal Navy
  The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...
  
   of the United Kingdom
• Abbreviation for "right now".

See also

• Euclidean space
  Euclidean space
  In mathematics, Euclidean space is the Euclidean plane and three-dimensional space of Euclidean geometry, as well as the generalizations of these notions to higher dimensions...
  
   with n dimensions, denoted by or
• Newline
  Newline
  In computing, a newline, also known as a line break or end-of-line marker, is a special character or sequence of characters signifying the end of a line of text. The name comes from the fact that the next character after the newline will appear on a new line—that is, on the next line below the...
  
  , represented as \r\n in certain operating systems