mR

abbreviation

Definition of mR

milliroentgen

Mr.

noun \ ˈmis-tər , in rapid speech especially in sense 2 (ˌ)mis(t) \
variants: or British Mr

Definition of Mr.

plural Messrs. play \ˈme-sərz\
1 used as a conventional title of courtesy except when usage requires the substitution of a title of rank or an honorific or professional title before a man's surname
  • spoke to Mr. Doe
2 used in direct address as a conventional title of respect before a man's title of office
  • May I ask one more question, Mr. President?
3 used before the name of a place, profession, or activity or before an epithet (such as clever) to form a title applied to a male viewed as representative of the thing indicated
  • Mr. Baseball

Origin and Etymology of mr.

Mr. from Middle English, abbreviation of maister master; Messrs. abbreviation of Messieurs, from French, plural of Monsieur



MR Defined for English Language Learners

Mr.

noun

Definition of Mr. for English Language Learners

  • —used as a title when speaking to a man who has an honored position or office

  • —used as part of a title for a man who has won a contest

  • —used to refer to a man who is very successful and famous for a particular activity (such as a sport) or who has a particular quality


MR Defined for Kids

Mr.

noun \ ˈmi-stər \

Definition of Mr. for Students

plural Messrs. \ˈme-sərz\
used as a title before a man's name
  • Mr. Doe

Medical Dictionary

mR

abbreviation

medical Definition of mR

milliroentgen

MR

abbreviation

medical Definition of MR

magnetic resonance

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to praise usually to excess

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