Definition of optophone in English:

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optophone

Pronunciation: /ˈäptəˌfōn/

noun

An instrument that scans printed characters and converts them into sound, thus enabling blind people to read by ear.
Example sentences
  • The optophone is not an echo-locator; it is a device that converts images from a camera into audible sounds.

Origin

Early 20th century: from Greek optos 'seen' + -phone.

For editors and proofreaders

Syllabification: op·to·phone

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