What does OR stand for?

The list of OR abbreviation meanings.

Stands For|554Abbreviated As|0Related|0
2
Office of Reinvention
2
Oil Retention(Medicine)
2
Open Reduction(Medicine)
2
Open Resourcing
2
Operating Reactor(Science)
2
Operating revenue(Accounting, Finance, Business)
2
Operational Recorder(Technology)
2
Operational Request(Technology)
2
Operational Research(Technology)
2
Operational Right(Technology)
2
Operationally Ready(Army, Military)
2
Operations Requirements(Science)
2
Optic Radiation(Medicine)
2
Optical Repeater(Telecom, Technology)
2
Optimal Routeing
2
Oral Rehydration(Medicine)
2
Ordinary Proton(Science)
2
Organising for resistance
2
Orientation(Medicine)
2
Originating Register
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APASmart Define. (2018). or. Retrieved September 22, 2026, from http://smartdefine.org/or/abbreviations/f
ChicagoSmart Define. 2018. "or" http://smartdefine.org/or/abbreviations/f (accessed September 22, 2026).
HarvardSmart Define 2018, or, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/or/abbreviations/f>.
MLASmart Define. "or" 16 February 2018. Web. 22 September 2026. <http://smartdefine.org/or/abbreviations/f>