MR: Meaning and Definition of

MR

1. motivation research.
2. Moral Re-Armament.

mR

1. milliroentgen; milliroentgens.

Mr.

1. mister: a title of respect prefixed to a man's name or position: Mr. Lawson; Mr. President.
2. a title prefixed to a mock surname that is used to represent possession of a particular attribute, identity, etc., esp. in an idealized or excessive way: Mr. Democrat; Mr. Perfect; Mr. Macho.