n. device which amplifies or increases (power, current, etc.)

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Noun
1. electronic equipment that increases strength of signals passing through it
(hypernym) electronic equipment
(hyponym) audio amplifier
(part-holonym) radio receiver, receiving set, radio set, radio, tuner, wireless
(derivation) magnify, amplify

nm. amplifier, device which amplifies or increases (power, current, etc.)

v. amplify; exaggerate, magnify