OR

 

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OR

Wikipedia

OR

1. (logic) Inclusive or; either one proposition or the other is true or both.
2. (computer science) A lexical symbol to implement inclusive or in a computer language.
3. (electrical engineering) A logical gate to implement inclusive or.

OR (uncountable)

1. (logic) The binary operator inclusive or, true if one at least one of two inputs is true. In infix notation.

• ∨

• NOR

• AND
• XOR
• NAND
• NOT

OR (countable and uncountable, plural ORs)

1. (healthcare, countable) Initialism of operating room.
   • 1998, Rushmore, 00:27:55

     Max Fischer: I like your nurse's uniform, guy. -- Dr. Peter Flynn: These are O.R. scrubs. -- Max Fischer: Oh, are they?

2. (Philippines, accounting, business, countable) Initialism of official receipt.
3. (sciences, uncountable) Initialism of operations research.
4. (sports, countable) Initialism of Olympic Record.

   Coordinate terms: OB, WR, CR, TR, NR, MR

5. (anatomy, countable) Initialism of odorant receptor.
6. (anatomy, countable) Initialism of olfactory receptor.
7. (chiefly Wikimedia jargon) Initialism of original research.
8. (military) Initialism of other ranks.

OR

1. Oregon, a state of the United States of America.
2. Orissa, a state of India.

• r/o, Ro, R&O, RO