Or

From Wikipedia, the free encyclopedia

OR and/or or may stand for:

• In logic, the or operator that captures some of the meaning of the grammatical conjunction "or"; see Logical disjunction
• In electronics, the or operator is carried out by a 4071 IC and the OR gate is a digital logic gate
• In computer programming, or can refer to both propositional and bitwise operators in various languages
• In heraldry, Or is the tincture with the colour gold (or yellow). It is usually spelt with a capital letter to distinguish it from the conjunction
• In Medicine an Operating Room
• Arkefly (IATA airline designator)
• Old Rugbeian, a former pupil of Rugby School
• Oregon (United States postal abbreviations)
• Oristano, abbreviation for the Italian comune
• Oriya language (ISO 639 alpha-2, or)
• In applied mathematics, OR is an abbreviation for Operations Research, or Operational Research, the use of mathematical models, statistics and algorithms to aid in decision-making
• In statistics OR is the abbreviation for odds ratio
• In Olympic Games OR is the abbreviation for Olympic Record
• Owasco River Railroad (AAR reporting marks OR)
• Or (Afghanistan), a location in Afghanistan
• Or (Crimea), a region in Crimea
• Optima Regal, car built by Kia Motors
• Official Receiver
• OR, an acronym for original research.
• OR, an acronym for Operations research.
• Or Records, a record label