OCR
# OCR

OCR may refer to:

## Science and technology

* Optical character recognition, conversion of images of text into characters
* Organically moderated and cooled reactor, a type of nuclear reactor
* Oxidizable carbon ratio dating, a method of absolute dating
* Transvaginal oocyte retrieval, a technique used in vitro fertilization
* Oil control ring, a piston ring
* Over consolidation ratio, a consolidation measurement in geotechnical engineering

## Offices of civil rights

* Office for Civil Rights, U.S. Department of Education
* State Office of Civil Rights, United States Department of State
* GSA Office of Civil Rights, General Services Administration
* HHS Office for Civil Rights, United States Department of Health and Human Services
* DOJ Office for Civil Rights, Office of Justice Programs

## Economics

* Official cash rate, the interest rate paid by banks in the overnight money market
* Optimum currency region, a theoretical optimal area where one currency would make most benefit

## Other uses

* Original cast recording, a recording of a stage musical featuring the show's original cast
* Otago Central Railway, now a heritage railway in Otago, New Zealand
* Ottawa Central Railway a Canadian Shortline owned by CN Rail
* OverClocked ReMix, an organization and website dedicated to preserving and paying tribute to video game music through re-orchestration and reinterpretation
* Oxford, Cambridge and RSA Examinations, an exam board in England, Wales and Northern Ireland
* Obstacle course racing
