What does M R stand for?

What does M R mean?

MR	Master Reset Governmental » NASA
MR	Mate Receipt Business » International Business
MR	Material Relation Business » Products
MR	Material Requirements Governmental » Military
MR	Material Review Governmental » NASA
MR	Matrix Renumbering Academic & Science » Mathematics
MR	Mature Readers Community » Film Censorship
MR	Mature Ripening Miscellaneous » Food
MR	Mauritania Regional » Countries
MR	Maximal Reachable Academic & Science » Physics
MR	Maximum Ride Miscellaneous » Science Fiction
MR	Maximum Rounds Governmental » Military
MR	Maximum to Right Medical » Physiology
MR	Mazoku Rachelle Miscellaneous » Names and Nicknames
MR	McCloud Railway Company Regional » Railroads
MR	McQuarrie's Rock Academic & Science » Geology
MR	Measurement of Red Academic & Science » Astronomy
MR	Mecham's Racing Business » Firms
MR	Medical Report Medical » Hospitals
MR	Medical Representative Business » Positions
MR	Medical Representative Medical » Hospitals
MR	Medical Rescue Community
MR	Medicare Returned Medical » Hospitals
MR	Medicinskiy Rynok (Medicine Market) Community » Media
MR	Medium Range Governmental » Military