optoisolator.
A device that transmits a signal optically between two isolated electronic circuits
Meaning & usage
A device that transmits a signal optically between two isolated electronic circuits
Where this word comes from
Etymology tree Proto-Indo-European *h₃ekʷ-der. Ancient Greek ὄπωπᾰ (ópōpă) Proto-Indo-European *-tós Proto-Hellenic *-tós Ancient Greek -τός (-tós) Ancient Greek ὀπτός (optós)der. English opto- English isolate English -or English isolator English optoisolator From opto- + isolator.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.