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Definition of amplifier

amplifier

/ˈæm.plɪ.faɪ.ər/
am · pli · fi · er
Plural:amplifiers
•
Adjective:amplificatory
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amplifier Lexical Profile

amplifier Game Scores & Validity

• noun

1

An electronic device or circuit that increases the power, voltage, or current of an electrical signal, commonly used in audio equipment to drive speakers.

Example

"She plugged her electric guitar into the amplifier before starting the soundcheck."

2

A person, system, or phenomenon that increases, enlarges, or intensifies the scale, impact, or significance of something.

Example

"Social media often acts as a powerful amplifier for both accurate information and damaging rumors."

Synonyms
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Antonyms
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• Rhymes for amplifier

• Nearby Words

amphibian
amphioxus
amphisbaenian
amplifier
amritsar
amsonia
amstel

Word Origin & Etymology

Derived from the verb 'amplify' plus the agent suffix '-er'. 'Amplify' traces back to the Middle French 'amplifier', from Latin 'amplificare' (to enlarge), rooted in 'amplus' (large, broad).

Cite this Entry

Wordmom. (2026). Definition of Amplifier. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/amplifier
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