RR
RR stands as an abbreviation for:
Transportation, military
- R ail r oad, English for railway
- Reichsbahn-Rat , see ranks of the Deutsche Reichsbahn # Rank group IV
- Racing bike , a bike designed for use as a sporting device in cycling races
- Rhodesian Railways until 1980, now National Railways of Zimbabwe (NRZ), has one of the longest rail networks in all of Africa
- Rolls-Royce Group , an international corporation
- Rolls-Royce Motor Cars , an automobile manufacturer
- Rolls-Royce Motors , a former automobile manufacturer, see Bentley
- Rolls-Royce Power Systems , a manufacturer of diesel engines
- Royal Air Force , United Kingdom Air Force by IATA code
Legal system
- Radio Regulations , English term for the regulations for the radio service
- Case law report , part of legal journals
- R otterdam- R ules, international treaty based on maritime trade law, see Hague Rules
- Right of return , see right of withdrawal # Alternative right of return , in certain cases it can be granted to the customer instead of the right of withdrawal
Medicine, natural sciences
- Relative risk , a term used in descriptive statistics that expresses the factor by which a risk (for example for a disease) differs in two groups
- R espiratory R ate, English for respiratory rate
- R iva- R occi, in medicine, abbreviation for traditional blood pressure measurement on the upper arm according to Scipione Riva-Rocci
Computer science
- R eceive R eady, control character for readiness for reception in the data flow control
- Resource Record , the basic unit of information in the Domain Name System (DNS)
- Round Robin , including a term from computer science and sociology
- rr , a debugging tool for recording and deterministic repetition of faulty program behavior
Culture, media
- RR (film) , an American experimental travel film released in 2007 directed by James Benning
- Radio Rumantsch , Rhaeto-Romanic radio station
- Right-wing rock , since the early 1980s, various forms of light music have been used more and more as a vehicle for right-wing extremist and neo-Nazi ideas
- Road Rovers , an American animated series
- Rote Rosen , TV series of the ARD
geography
Others
- Government Council , see definition of terms
- Clean room , a room in which the concentration of airborne particles is kept as low as necessary
- R eply R equested, English for uAwg (an answer is requested), mainly used when communicating via e-mail or on Usenet
- Robo Rally , a board game
- Red direction , cartel within the German fraternity
- Royal Rangers , an international youth association that uses the scout method
- Right back space as the position of a back space player (handball)
RR as a distinguishing mark on license plates:
- UK: Reading
- Norway: Stavanger in the Rogaland Province
- Hungary: Customs and Financial Supervision ( Vám )
R&R stands for:
- R&R (The "New" Radio & Records), a weekly magazine for the music industry in the United States
