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Meanings and definitions for OPR
What does OPR stand for? What does OPR mean?
- Office of Population Research, the oldest population research center in the United States
- Office of Planning and Research, an agency of the California government
- Office of Professional Responsibility, part of the United States Department of Justice responsible for investigating attorneys employed therein who have been accused of misconduct or crimes in their professional functions
- Office of Professional Responsibility (IRS), part of the United States Internal Revenue Service responsible for investigating suspected practitioner misconduct
- Office of Public Roads, a predecessor of the United States Federal Highway Administration
- Official Pattern Release, used by Trend Micro to refer to the definitions for their antivirus products
- Oregon Pacific Railroad (1880–94), in Oregon, United States
- Oregon Pacific Railroad (1997), in Oregon, United States
- Old Parochial Registers of the Church of Scotland
- Output Recordings, a British independent record label run by Trevor Jackson, between 1996–2006
- Outward Processing Relief, a 1989 U.K. statutory instrument
- Overall pressure ratio, the ratio of the stagnation pressure as measured at the front and rear of the compressor of a gas turbine engine
- Overnight Policy Rate, an overnight interest rate set by Bank Negara Malaysia used for monetary policy direction
- Owner's project requirements, a foundational document for the design and commissioning of buildings
- Rodrigues People's Organisation (Organisation du Peuple Rodriguais), a Mauritian political party
- A symbol indicating a mathematical operation
- Operator (mathematics), mapping that acts on elements of a space to produce elements of another space, e.g.:
Linear operator
- Differential operator
- Computer operator, an occupation
- Operator (computer programming), a type of computer program function
- Operator (extension), an extension for the Firefox web browser, for reading microformats
- Ableton Operator, a software synthesizer developed by Ableton
- Operator (biology), a segment of DNA regulating the activity of genes
- Operator (linguistics), a special category including wh- interrogatives
- Operator (physics), mathematical operators in quantum physics
- Logical operator or logical connective
- Operator (band), an American hard rock band
- Operators, a synth pop band led by Dan Boeckner
- Operator (album), a 2016 album by Mstrkrft
- "Operator" (Motown song), a 1965 song recorded by Mary Wells and Brenda Holloway
- "Operator" (That's Not the Way It Feels), a 1972 song by Jim Croce from You Don't Mess Around with Jim
- "Operator" (Midnight Star song) (1984), a 1984 #1 R&B/dance single
- "Operator" (A Girl Like Me), a 2008 song by Shiloh
- "Operator", a 1970 song by the Grateful Dead from American Beauty
- "Operator", a 1975 song by the Manhattan Transfer from The Manhattan Transfer
- "Operator", a 1993 song by Blue System from Backstreet Dreams
- "Operator", a 1995 song by Real McCoy from Another Night
- "Operator", a 1998 song by Miss Papaya from Pink
- "Operator" (Floy Joy song), a song by British group Floy Joy
- Operator No. 5, a pulp fiction hero from the 1930s
- Operator (Ghost in the Shell), a fictional group in the Ghost in the Shell series
- Operator (2015 film), a 2015 American action thriller drama film starring Luke Goss
- Operator (2016 film), a 2016 American comedy-drama film starring Martin Starr and Mae Whitman
- The Operator (film), a 2000 film
- The Operator (Marble Hornets), an entity that stalks the main characters in Marble Hornets. It is also known as the Slender Man.
- Operator (play), a 2005 play by David Williamson
- Operator (profession), a professional designation used in various industries, e.g.:
Switchboard operator, a historical occupation at a company offering telephone services
- Heavy equipment operator, operates heavy equipment used in engineering and construction projects
- Operator (military), a soldier in a special operations force
- Operator (sternwheeler), a 1909 ship on the Skeena River
- Network operator, a phone carrier
- System operator, commonly abbreviated as sysop
- Operator grammar, a theory of human language
- Operator-precedence grammar, a grammar for formal languages
- Office (of) Primary Responsibility, Military (Air Force)
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