RA

On Wikipedia, RfA may refer to Wikipedia:Requested articles

RA may refer to:

Science

• Right ascension, an astronomical term
• Relation algebra, a type of mathematical structure

Medicine

• Relative analgesia machine, a type of sedative
• Right atrium, one of the four chambers of the heart
• Rheumatoid arthritis, an autoimmune disorder
• Retinoic acid, a metabolite of vitamin A

Jobs and titles

• Registered Architect, a professional suffix typically used if not also a member of an architecture professional association
• Research assistant, a graduate student employed by a college or university for the purpose of academic research
• Research associate, a post-doctoral academic researcher
• Resident assistant or advisor, a student who supervises tenants of a residence hall
• Royal Academician, one of the 80 practicing artists elected as a member of the Royal Academy

Official organizations

• Registration authority, a body which maintains lists of international standards codes
• Regulatory Affairs, a department in charge of industry-government relations
• Rowing Australia, governing body for the sport of rowing in Australia
• Resettlement Administration, a New Deal government program in the United States

Military

• Regular Army, the permanent force of the US Army that is maintained during peacetime
• Provisional Irish Republican Army
• Royal Artillery, a Regiment of the British Army
• Russian Army, also known as the Russian Ground Forces, formed in 1992

Designations

• A color rendering index used to measure colors in light
• Nepal Airlines, IATA code RA
• Several ISO 217 standard paper sizes

Places

• Republic of Armenia
• Rawlins County, Kansas, county, of which the largest city is Atwood
• Roosna-Alliku, village in Estonia
• Réseau Albert, a group of railways in France from 1889–1955
• Robert Academy, a former section of Robert College in Istanbul
• Roosevelt Academy, a college in the Netherlands
• Rolling Acres, a mall in Ohio
• Royal Academy, the Royal Academy of Arts in London
• RA Nightclub, a club located at the Luxor Hotel in Las Vegas

Computing

• RemoteAccess, a BBS software program
• Rocket Arena, a Quake mod
• Command & Conquer: Red Alert, a game
• .ra, the file extension of a RealAudio file
• Router Advertisement messages, in the context of IPv6 autoconfiguration [1]

Technology

• Resolution Advisory, an aircraft instruction from a Traffic Collision Avoidance System

Entertainment

• Resident Advisor, an online magazine
• Rise Against, an American hardcore band
• Rusted Angel
• R.A. the Rugged Man, an emcee

People

• Ray Allen, American basketball player currently with the NBA's Boston Celtics

Other

• Rescue ambulance
• Radhiallahu 'anhu, an Arabic phrase uttered after a righteous person's name
• Risk Assessment, a step in a risk management procedure
• Risk Analysis
• The "Religious Advisor" of a Hash House Harriers club
• Remittance advice, a letter sent by a customer to a supplier, to inform the supplier that their invoice has been paid
• Republic Act, nomenclature used for Philippine laws from 1946 to 1972 and after 1987

See also

• Ra (disambiguation)
• RAH (disambiguation)
• RHA (disambiguation)
• RAS (disambiguation)
• Ras (disambiguation)