optical character recognition

op·ti·cal char·ac·ter rec·og·ni·tion
O o


    • US Pronunciation
    • US IPA
    • [op-ti-kuh l kar-ik-ter rek-uh g-nish-uh n]
    • /ˈɒp tɪ kəl ˈkær ɪk tər ˌrɛk əgˈnɪʃ ən/
    • US Pronunciation
    • US IPA
    • [op-ti-kuh l kar-ik-ter rek-uh g-nish-uh n]
    • /ˈɒp tɪ kəl ˈkær ɪk tər ˌrɛk əgˈnɪʃ ən/

Definitions of optical character recognition words

  • noun optical character recognition the process or technology of reading data in printed form by a device (optical character reader) that scans and identifies characters. Abbreviation: OCR. 1
  • noun Definition of optical character recognition in Technology (text)   (OCR, sometimes /oh'k*/) Recognition of printed or written characters by computer. Each page of text is converted to a digital using a scanner and OCR is then applied to this image to produce a text file. This involves complex image processing algorithms and rarely achieves 100% accuracy so manual proof reading is recommended. 1
  • noun optical character recognition the electronic scanning and identification of handwritten or printed text, and its subsequent conversion into text that can be edited by a computer 0
  • noun optical character recognition electronic identification of alphanumeric characters, esp. those typewritten or printed on paper, for computer processing or storage 0

Information block about the term

Origin of optical character recognition

First appearance:

before 1960
One of the 3% newest English words
First recorded in 1960-65

Historical Comparancy

Parts of speech for Optical character recognition


optical character recognition popularity

This term is known only to a narrow circle of people with rare knowledge. Only 1% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

optical character recognition usage trend in Literature

This diagram is provided by Google Ngram Viewer

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