amplification

noun am·pli·fi·ca·tion \ ˌam-plə-fə-ˈkā-shən \

Definition of amplification

1 a : an act, example, or product of amplifying

b : a usually massive replication of genetic material and especially of a gene or DNA sequence (as in a polymerase chain reaction)

2 a : the particulars by which a statement is expanded

b : an expanded statement

See amplification defined for kids

Recent Examples of amplification from the Web

The amplification of Hawking radiation is proportional to the duration of the ring-down, which lasts just a few milliseconds.

— chris lee, Ars Technica, "Ringing black holes may glow in the dark," 8 Nov. 2017
Fixing the amplification, doing some last-minute cutting and adding just a touch of narration might prevent quite so many walkouts as there were during Thursday’s performance.

— mark swed, latimes.com, "Shakespeare in Disney Hall: An L.A. Phil 'Dream' deferred," 3 Nov. 2017
With the orchestra far at the rear, the sound mix isn’t perfect (the percussion in particular needs more oomph) and amplification was patchy on opening night.

— chris jones, chicagotribune.com, "Porchlight's Chicago cast of 'Billy Elliot' surely will win you over," 16 Oct. 2017
After tests last week, it was decided that judicious amplification would be needed to give the voices sufficient heft.

— james r. oestreich, New York Times, "Forced Out By Flooding, Houston’s Opera Gets On With the Show," 23 Oct. 2017
Sound was further transformed through the two great cliches of new music, amplification and the addition of electronic components.

— alan g. artner, chicagotribune.com, "Talea Ensemble opens Contempo series with rare, exceptional program," 28 Oct. 2017
That amplification took on an even bigger form at Werk It, a podcasting festival for women, hosted by WNYC, that took place at the historic Theatre at Ace Hotel in downtown Los Angeles for three days last week.

— jane borden, Vanities, "At a Women-Only Podcasting Festival, One of Radio’s Most Established Voices Sets Its Sights on the Future," 10 Oct. 2017
That amplification took on an even bigger form at Werk It, a podcasting festival for women, hosted by WNYC, that took place at the historic Theatre at Ace Hotel in downtown Los Angeles for three days last week.

— jane borden, vanityfair.com, "At a Women-Only Podcasting Festival, One of Radio’s Most Established Voices Sets Its Sights on the Future," 10 Oct. 2017
To overcome this problem, researchers used a trick called parametric amplification.

— chris lee, Ars Technica, "Miniature trampoline may let microwave and optical qubits communicate," 28 Sep. 2017

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