Information & Library Science
- acronym forMaster of the Rolls (written as MR)
- noun a senior judge who presides over the civil division of the Court of Appeal and is responsible for admitting solicitors to the Roll of Solicitors
- abbreviation formilliroentgen (written as mR)
- acronym formagnetoresistive (written as MR)
- Pertaining to, or exhibiting, magnetoresistance. Its abbreviation is MR.