electrical relay

English Thesaurus

1. electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit (noun.artifact)

hypernym	:	electrical device,
definition	:	a device that produces or is powered by electricity (noun.artifact)

part holonym	:	electromagnet,
definition	:	a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet (noun.artifact)

part meronym	:	circuit, electric circuit, electrical circuit,
definition	:	an electrical device that provides a path for electrical current to flow (noun.artifact)

derivation	:	relay,
definition	:	control or operate by relay (verb.contact)

derivation	:	relay,
definition	:	control or operate by relay (verb.contact)