Meaning of “amplifier” in the English Dictionary

british dictionary

"amplifier" in British English

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amplifiernoun [ C ]

uk /ˈæm.plɪ.faɪ.ər/ us /ˈæm.plə.faɪ.ɚ/ informal amp

an electrical device that makes sounds louder

(Definition of “amplifier” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"amplifier" in American English

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amplifiernoun [ C ]

us /ˈæm·pləˌfɑɪ·ər/

(Definition of “amplifier” from the Cambridge Academic Content Dictionary © Cambridge University Press)