amplification

noun

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

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

Examples of amplification in a Sentence

Recent Examples on the Web

In what’s known as a differential amplification process, an amplifier takes in signals from all three electrodes but ignores signals that appear in both the reference and the measuring electrodes, and only amplifies the signal that represents the difference between the two measuring electrodes. —IEEE Spectrum, 3 Feb. 2025

Using high-quality components such as two high-end internal DACs and high-power amplification with a high-gain mode, the Retro Nano can drive all kinds of earphones, IEMs and even over-the-ear headphones, providing the kind of sound quality that beats many smartphones and laptops. —Mark Sparrow, Forbes, 22 Jan. 2025

Smartmatic had sued Newsmax over the post-2020 election amplification of claims that it was involved in the rigging of the election, even though the company was only providing services in Los Angeles County. —Ted Johnson, Deadline, 1 Dec. 2024

Those pledges have been paired with a number of false claims about migrants, including the amplification of a conspiracy theory that accused Haitian migrants of abducting and eating pets in Springfield, Ohio. —Juliann Ventura, The Hill, 6 Nov. 2024

Word History

Etymology

borrowed from Latin amplificātiōn-, amplificātiō "act of making greater, enlarging upon (in rhetoric)," from amplificāre "to increase the size of, amplify" + -tiōn-, -tiō, suffix of verbal action

First Known Use

1546, in the meaning defined at sense 1a

Phrases Containing amplification

• amplification host

Kids Definition

amplification

noun

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

: an act, example, or product of amplifying

Medical Definition

amplification

noun

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

1

: an act, example, or product of amplifying

2

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