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amplifier

noun am·pli·fi·er \ ˈam-plə-ˌfī(-ə)r \
|Updated on: 13 Aug 2018

Definition of amplifier

: one that amplifies; specifically : an electronic device (as in a stereo system) for amplifying voltage, current, or power

See amplifier defined for English-language learners

See amplifier defined for kids

Examples of amplifier in a Sentence

  1. He plugged his electric guitar into an amplifier.

Recent Examples of amplifier from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amplifier.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of amplifier

1546

in the meaning defined above

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AMPLIFIER Defined for English Language Learners

amplifier

noun

Definition of amplifier for English Language Learners

  • : a device that increases the strength of electric signals so that sounds played through an electronic system are louder

AMPLIFIER Defined for Kids

amplifier

noun am·pli·fi·er \ ˈam-plə-ˌfī-ər \

Definition of amplifier for Students

: a device that increases the strength of electric signals so that sounds played through an electronic system are louder

Medical Dictionary

amplifier

noun am·pli·fi·er \ ˈam-plə-ˌfī(ə)r \

medical Definition of amplifier

: one that amplifies; specifically : an electronic device (as in a computer or sound-reproducing system) for amplifying voltage, current, or power

Learn More about amplifier

  1. See words that rhyme with amplifier Spanish Central: Translation of amplifier Nglish: Translation of amplifier for Spanish speakers Britannica.com: Encyclopedia article about amplifier

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