amplification
Americannoun
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the act of amplifying or the state of being amplified.
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expansion of a statement, narrative, etc., as for rhetorical purposes.
In the revision, the story underwent considerable amplification.
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a statement, narrative, etc., so expanded.
The text of the second edition was an amplification.
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the matter or substance used to expand an idea, statement, or the like.
He added an extra paragraph to his speech as an amplification.
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Electricity. increase in the strength of current, voltage, or power.
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Genetics. gene amplification.
noun
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the act or result of amplifying
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material added to a statement, story, etc, in order to expand or clarify it
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a statement, story, etc, with such additional material
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electronics
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the increase in strength of an electrical signal by means of an amplifier
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another word for gain 1
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Also called: gene amplification. genetics the production of multiple copies of a particular gene or DNA sequence. It can occur naturally or artificially, by genetic engineering techniques
Etymology
Origin of amplification
First recorded in 1540–50, amplification is from the Latin word amplificātiōn- (stem of amplificātiō ). See ample, -i-, -fication
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It was spectacularly tested at the hall’s 10th anniversary, but with tacky prerecorded video and crummy amplification.
From Los Angeles Times • Mar. 20, 2026
Participants will develop skills across the entire development pipeline, from designing components and studying how light interacts with matter to improving high-power amplification and advancing practical applications.
From Science Daily • Nov. 24, 2025
You can adjust the volume, directional sound amplification and background noise suppression from the mobile app or a remote.
From The Wall Street Journal • Nov. 23, 2025
Opera’s invaluable source for progressive and unexpected new work, tends to go in for blatant amplification.
From Los Angeles Times • Nov. 7, 2025
It served as a breathing hole for Asmodeus, also as amplification to echo the dreaded name through the caves and tunnels as a warning to intruders.
From "Redwall" by Brian Jacques
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.