amplification
UK/.æmplifi'keiʃәn/US
TOEFLC1
Definitions
n.
The act of making something larger, louder, or stronger.
放大，扩大；增强。
n.
An increase in the strength of an electrical or audio signal.
（电信号/音频）增幅。
n.
The process of copying a section of DNA many times (in genetics).
（遗传学）扩增，基因复制。
Root Breakdown
Root-derivedampl (large) + -ific- (from facere, make) + -ation (act of) = 'the act of making larger.' It is the noun of amplify, covering everything from boosting a sound signal to multiplying a DNA strand. See amplify.
Root ampl still carries 3 more wordsCommon Collocations
- 1.signal amplification信号放大
- 2.sound amplification声音放大
- 3.gene amplification基因扩增
Example Sentences
- 1.
The hall needs sound amplification for such a large audience.
- 2.
Social media leads to the rapid amplification of rumors.
- 3.
The test relies on amplification of the DNA sample.