amplification

American  

[am-pluh-fi-key-shuhn] / ˌæm plə fɪˈkeɪ ʃən /

noun

1. the act of amplifying or the state of being amplified.

2. expansion of a statement, narrative, etc., as for rhetorical purposes.

   In the revision, the story underwent considerable amplification.

3. a statement, narrative, etc., so expanded.

   The text of the second edition was an amplification.

4. the matter or substance used to expand an idea, statement, or the like.

   He added an extra paragraph to his speech as an amplification.

5. Electricity. increase in the strength of current, voltage, or power.

6. Genetics. gene amplification.

---

amplification British  

/ ˌæmplɪfɪˈkeɪʃən /

noun

1. the act or result of amplifying

2. material added to a statement, story, etc, in order to expand or clarify it

3. a statement, story, etc, with such additional material

4. electronics

   1. the increase in strength of an electrical signal by means of an amplifier

   2. another word for gain 1

5. 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

---

amplification Scientific  

/ ăm′plə-fĭ-kā′shən /

1. An increase in the magnitude or strength of an electric current, a force, or another physical quantity, such as a radio signal.

---

Etymology

Origin of amplification

First recorded in 1540–50, amplification is from the Latin word amplificātiōn- (stem of amplificātiō ). See ample, -i-, -fication

Example Sentences

See Examples For:

amplification

The Chinese operation also undertook a campaign of mass reporting and bot-network amplification against journalists from the Uyghur diaspora, according to Anthropic.

From The Wall Street Journal ● Sep. 11, 2026

The Arctic is warming several times faster than the global average, a phenomenon known as "Arctic amplification" -- and the effects aren't confined to the North Pole.

From Barron's ● Aug. 12, 2026

Analog semiconductors are used for sensors, power management and amplification, making them particularly important for data center and industrial uses.

From MarketWatch ● Jul. 23, 2026

Instead, they are a by-product of the ear's physiological sound amplification process.

From Science Daily ● Jul. 19, 2026

What to others would have been a muffling was to her alert senses, which were fine-tuned like the cats whiskers of an old wireless, an almost unbearable amplification.

From "Atonement" by Ian McEwan

Related Words

• elaboration