nnoun.artifacta thermionic tube having two electrodes; used as a rectifierSynset:rectifying tube rectifying valve
Hypernyms:electron tube thermionic tube thermionic vacuum tube thermionic valve tube vacuum tube
Inherited Hypernyms:diodetubeelectronic devicedeviceinstrumentalityartifactwholeobjectphysical entityentity
nnoun.artifacta semiconductor that consists of a p-n junctionSynset:crystal rectifier junction rectifier semiconductor diode
Hypernyms:semiconductor semiconductor device semiconductor unit
Inherited Hypernyms:diodesemiconductor deviceconductordeviceinstrumentalityartifactwholeobjectphysical entityentity
Direct Hyponyms:LEDlight-emitting diode
Full Hyponyms:light-emitting diodeorganic light-emitting diode