Meaning : A thermionic tube having two electrodes. Used as a rectifier.
Synonyms : rectifying tube, rectifying valve
Meaning : A semiconductor that consists of a p-n junction.
Synonyms : crystal rectifier, junction rectifier, semiconductor diode
Diode ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Diode ka matlab kya hota hai?