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OR

   Also found in: Dictionary/thesaurus, Legal, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
OR operating room.
OR
abbr.
operating room
OR, O.R.,
abbreviation for operating room.
OR
operating room.
OR
1. Odds ratio 2. Operating room, operating suite 3. Informatics A word used in programming that expands the available logical choices, such that either of 2 conditions may be met for a sequence of data flow or for processing to be allowed


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