- a device for blind people that converts printed words into sounds
WordReference Random House Unabridged Dictionary of American English © 2026
op•to•phone
(op′tə fōn′),USA pronunciation n.
- Telecommunications, Electronicsan electronic device that scans ordinary printed characters and produces combinations of sounds, enabling a blind reader to recognize the characters.
- opto- + -phone
Collins Concise English Dictionary © HarperCollins Publishers::
optophone /ˈɒptəˌfəʊn/ n