optacon
Fetched 2026-10-26 (cache).
Synonyms: opticon
Antonyms: opticon
Related words from Datamuse; suggestions, not definitions.
Noun
- An [[electromechanical]] [[device]] that selectively raises small [[rod]]s over the darker parts of a document, and thus enables [[blind]] people to read printed material that has not been transcribed into [[Braille]].
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.