Look up OSC in Wiktionary, the free dictionary.

OSC may refer to:

• Odborové sdružení československé, the Czechoslovak Trade Union Association
• Office of Special Counsel (in the United States of America)
• Ohio Supercomputer Center, a computing research facility in Columbus
• Onslow County Schools, a school district in Onslow County, North Carolina
• Ontario Science Centre, a science museum in Toronto, Canada
• Ontario Securities Commission, a securities regulatory agency
• Open Source Center, a United States government center that provides analysis of open-source intelligence
• Orbital Sciences Corporation, a satellite-oriented company
• Order of Saint Clare, a Religious Order founded by Clare of Assisi whose members use the post-nominal letters O.S.C.
• Ordo Sanctae Crucis or Canons Regular of the Order of the Holy Cross, a Roman Catholic religious order commonly called Crosiers
• Orlando Science Center, a science-education establishment in Florida
• Overseas School of Colombo, a multinational English medium international school located in Colombo, Sri Lanka.

• Open Sound Control, a music-oriented electronic communications protocol used in computers and multimedia devices
• openSUSE Command-line tool, a command-line tool used for openSUSE build service
• Orthogonal signal correction, a spectral preprocessing technique
• Operating system command, one of the C0 and C1 control codes
• Optical Signature Code, an industry standard format for LWIR signatures.

• Off-site construction, a mode of construction
• Osceola (Amtrak station), Iowa, United States; Amtrak station code OSC
• Orson Scott Card, author of speculative fiction
• Organic solar cell
• Oscoda–Wurtsmith Airport (IATA code) - Michigan, United States
• Order to show cause

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