R (disambiguation)

R stands for:

R, R-rated movies , age rating in the USA for films, see Motion Picture Association #R (restricted)

R (film) , Danish prison film (2010)

R as an abbreviation for (Latin Regina "Queen") the addition to the signature of Queen Elizabeth II.

R, abbreviation for the Raabe list of works by Franz Liszt, see Peter Raabe

R, an outdated term in electrical engineering for the first outer conductor

black R on a white background as an award for the Rheinhöhenweg in the Rhine Valley

r., the abbreviation for right , see left and right

r, the front of a sheet of paper etc. or a bank note, see recto

R. , R. Kelly's most successful album

R., in the military the abbreviation for regiment

Appendix R on pension income for the German income tax return

Regensburg on small watercraft in the area of the Regensburg Waterways and Shipping Office

in combination with a number (e.g. R3 ) for Reichsstraße (German Empire)

® , the symbol for brand (formerly a trademark , especially in Germany), see brand (law)

in the school system, the abbreviation for the title of Rector ; or Rin for Rector

Mathematics:

r, in geometry the symbol for radius
${\ displaystyle \ mathbb {R}}$ , the symbol for the set of real numbers, see Real number
in statistics the correlation coefficient r and
its square (r²) , the coefficient of determination (R²)
R (programming language) for studying statistical problems and a statistical software package

Chemistry:

R, a stereo descriptor to differentiate between compounds of configuration isomer
R, the one-letter code for arginine
R, symbol for the universal gas constant
R, symbol for the particle number ratio
−R, an organic residue, see side chain

Physics:

r, the symbol for the recovery factor

r, the symbol for the reflection factor

{\ displaystyle r_ {0}}

R, the unit symbol for X-ray and r an older unit symbol for this, see X-ray (unit)

R, the symbol for electrical resistance, see electrical resistance

R, the symbol for the characteristic acoustic impedance (acoustic wave resistance)

R, the symbol for the Rydberg constant

° R, the unit symbol for a temperature unit, see Réaumur scale

° R, the unit symbol for a unit of temperature, see Rankine scale

Medicine:

Aviation:

Radial (heading from a VOR station to an aircraft, corresponds to the QDR), see rotary beacon
Right (Runway identification) - Right, see runway
Restricted area (followed by identification), see restricted flight area
In the international spelling alphabet, R is referred to as Romeo , see ICAO alphabet
Reconnaissance , aircraft used for reconnaissance, see reconnaissance aircraft or designation system for aircraft of the US armed forces

Numismatics (coinage):

R as a distinctive sign on license plates:

Germany: independent city of Regensburg and district of Regensburg
Georgia: Telavi
UK: Reading
Kazakhstan: Mangghystau region, see Mangghystau (region)
Lithuania: Dealer (red letters on a white background)
Philippines: Region 3: Central Luzon
Poland: Subcarpathian Voivodeship
San Marino: trailer as a small red R for Italian Rimorchio (German "trailer")
Spain: trailer

See also:

Wiktionary: R - explanations of meanings, word origins, synonyms, translations

Wiktionary: r - explanations of meanings, word origins, synonyms, translations