electrical relay electrical power • electrical resistance · · · Info · Definitions · Synonyms · Characters · · electrical relay · · Text Common · · Latin · · Scripts 16 · · Length 6 · · Syllables Definitions · · · (noun) electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit. Synonyms: relay, electrical relay. · · Noun Definition 1 Synonyms · · · relay · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079