amplifier Syllabification: (am·pli·fi·er)Pronunciation: /ˈampləˌfīər/Translate amplifier | into French | into German | into Italian | into Spanish Definition of amplifier noun an electronic device for increasing the amplitude of electrical signals, used chiefly in sound reproduction. a device consisting of an amplifier combined with a loudspeaker, used to amplify electric guitars and other musical instruments. amplifier in other Oxford dictionaries Definition of amplifier in the British & World English dictionary
