Hypernym

noun

a device that produces or is powered by electricity

Part_meronym

circuit 1

noun

an electrical device that provides a path for electrical current to flow

electromagnet 1

noun

a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet

relay 5

noundomain: artefact

Princeton WordNet [ver.3.1]

English

Definition

electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit

Synonyms

electrical relay 1
electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit

Derivationally related form

relay 2

verb

control or operate by relay

Hyponym

Buchholz relay 1

noun

In the field of electric power distribution and transmission, a Buchholz relay is a safety device mounted on some oil-filled power transformers and reactors, equipped with an external overhead oil reservoir called a conservator.

solid-state relay 1

noun

an electronic switching device that switches on or off when a small external voltage is applied across its control terminals.

latching relay 1

noun

a relay that maintains either contact position indefinitely without power applied to the coil.

monostable relay 1

noun

a relay that returns to its predefined contact after the current has been turned off.

Part_holonym

circuit 1

noun

an electrical device that provides a path for electrical current to flow

electromagnet 1

noun

a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet