Br vs. Mr — What's the Difference?

A nonmetallic largely pentavalent heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water

Mister. Used as a courtesy title before the surname or full name of a man. See Usage Note at Ms.

A Marxist-Leninist terrorist organizaiton that arose out of a student protest movement in the late 1960s; wants to separate Italy from NATO and advocates violence in the service of class warfare and revolution; mostly inactive since 1989

Used in informal titles for a man to indicate the epitomizing of an attribute or activity

Abbreviation of millirem

A form of address for a man