amplification
Americannoun
-
the act of amplifying or the state of being amplified.
-
expansion of a statement, narrative, etc., as for rhetorical purposes.
In the revision, the story underwent considerable amplification.
-
a statement, narrative, etc., so expanded.
The text of the second edition was an amplification.
-
the matter or substance used to expand an idea, statement, or the like.
He added an extra paragraph to his speech as an amplification.
-
Electricity. increase in the strength of current, voltage, or power.
-
Genetics. gene amplification.
noun
-
the act or result of amplifying
-
material added to a statement, story, etc, in order to expand or clarify it
-
a statement, story, etc, with such additional material
-
electronics
-
the increase in strength of an electrical signal by means of an amplifier
-
another word for gain 1
-
-
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
Vocabulary lists containing amplification
Rhetoric
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Physical Science - Energy - Middle School
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Physics - Middle School
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
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.
The engine roar, so critical to Ferraris, can be provided by what the company calls an “external amplification system” that pumps the natural sound of the electric axles out to the street.
From The Wall Street Journal • May 25, 2026
Utah-based chain Swig — with some amplification from social media —helped make dirty soda a hit, as a story from Eater noted last year.
From MarketWatch • Apr. 29, 2026
"Iran has crafted a wartime propaganda strategy tailored for the age of AI slop and algorithmic amplification," Joseph Bodnar, a senior research manager at the Institute for Strategic Dialogue, told AFP.
From Barron's • Apr. 10, 2026
If Charlottesville taught journalists to be wary of amplifying ideology, the current moment demands an understanding that, in an attention economy, amplification itself is the ideology.
From Salon • Apr. 6, 2026
Used colloquially, it signals something innocent: an amplification of joy.
From "The Gene" by Siddhartha Mukherjee
![]()
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.