Editing MR

{{wiktionary|MR|Mr|mr|M.R.|Mr.}}
'''MR''', '''Mr''', '''mr''', or '''mR''' may refer to:
* [[Mr.]], an honorific title before any man's name

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==Arts, entertainment, and media==
* [[MR (Marina and Rainer)|''MR'' (Marina and Rainer)]], a 1989, one-act, multilingual opera libretto by Nikolai Korndorf
* [[Mr. (band)]], a Hong Kong pop-rock band
* [[Magyar Rádió]], a Hungarian radio station
* [[Mixed reality]], the merging of real and virtual worlds in digital visualisation
* ''[[Model Railroader]]'', an American hobby magazine
* ''[[Meta Runner]]'', an Australian web series

==Businesses and organisations==
* [[Chief Maqoma Regiment]], an infantry regiment of the South African Army
* [[Mineral Resources]], Australian mining company
* ''[[Mouvement radical]]'' (Radical Movement), a French political party
* ''[[Mouvement Réformateur]]'' (Reformist Movement), a Belgian political party
* [[Martin Research]], a defunct American computer company

==Education==
* mr., an academic degree, equivalent to [[Master of Laws]], ''meester in de rechten'', in Belgium and the Netherlands
* [[Menntaskólinn í Reykjavík]], a junior college in Iceland

==Identification codes==
* [[Air Mauritanie]] (by IATA code)
* [[Marathi language]] (by ISO 639-1)
* [[Martinique]] (World Meteorological Organization country code)
* [[Mauritania]] (ISO 3166-1 alpha-2 and FIPS 10-4 country codes)
** [[.mr]], the top-level Internet domain for Mauritania
* [[Morocco]] (Library of Congress MARC country code)

==Law==
* [[Master of the Rolls]], the President of the Court of Appeal of England and Wales, Civil Division, and Head of Civil Justice
* mr., an academic degree, equivalent to [[Master of Laws]], ''meester in de rechten'', in Belgium and the Netherlands<!-- Intentional duplicate allowed by MOS:DP -->

==Medicine==
* [[Magnetic resonance imaging]]
* [[Mental retardation]], generalised learning or intellectual disability, in now obsolete jargon
* [[Mineralocorticoid receptor]], a human protein
* [[Mitral regurgitation]] of blood flow in the heart
* [[Modified release]]

==Science==
* [[Magnetoresistance]], change in electrical resistance due to a magnetic field
* [[Mendelian randomization]], a way of using genetic information to estimate causal effects
* [[Merge request]] in software development
* [[Millirem]], a unit of radiation dose
* [[Molecular replacement]], a method of solving the phase problem in X-ray crystallography
* [[Relative molecular mass]], mass of a given molecule, ''M<sub>r</sub>''

==Transport==
* [[M.R. (automobile)]], a microcar model built in 1945
* [[Air Mauritanie]] (by IATA code) <!-- Intentional duplicate allowed by MOS:DP -->
* [[Midland Railway]], a United Kingdom railway
* [[Nissan MR engine]]
* [[Rear mid-engine, rear-wheel-drive layout]], an automotive layout

==See also==
* [[Magnetic resonance (disambiguation)]]
* [[Mister (disambiguation)]]

{{disambiguation|geo}}