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

He was arrested and charged with disorderly conduct and use of a loud amplification device. —Flint McColgan, Boston Herald, 19 Sep. 2025

Del Rio was using a microphone and amplification device — in violation of a city ordinance — to shout down those at the vigil and was asked to leave multiple times, according to a police report provided to Fox News Digital. —Louis Casiano, FOXNews.com, 19 Sep. 2025

Get the right executive content in front of the right buyers at the right time, whether through engagement or amplification, and suddenly the door is a little easier to open. —Sarah Goodall, Forbes.com, 17 Sep. 2025

These faint signals require amplification and filtering before being digitized by an analog-to-digital converter (ADC) for processing. —Ni Tao, Interesting Engineering, 15 Sep. 2025

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

Rhymes for amplification

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration

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)