photointerrupter

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. An [[optical]] [[device]] that acts as a [[switch]] when a beam of [[light]] is blocked by a foreign object

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.