1
: one that enhances
2
: a nucleotide sequence that increases the rate of genetic transcription by preferentially increasing the activity of the nearest promoter on the same DNA molecule

Examples of enhancer in a Sentence

Recent Examples on the Web
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This detangler spray works overtime as a heat protectant, frizz fighter, hydrator, and shine enhancer to turn wet or towel-dried hair into soft, smooth locks. Clara McMahon, PEOPLE, 19 Aug. 2026 Johnson was suspended for six games for violating the league’s policy on performance-enhancers. Maura Carey, Chicago Tribune, 15 Aug. 2026 Johnson was suspended six games for violating the league’s policy on performance-enhancers. Maura Carey, Los Angeles Times, 14 Aug. 2026 Bevan sees them as a yield enhancer and believes the portion allocated to them depends on each investor’s risk tolerance. Michelle Fox, CNBC, 11 Aug. 2026 See All Example Sentences for enhancer

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of enhancer was in the 14th century

Browse Nearby Words

Cite this Entry

“Enhancer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enhancer. Accessed 31 Aug. 2026.

Medical Definition

: a nucleotide sequence that increases the rate of genetic transcription by increasing the activity of the nearest promoter on the same DNA molecule
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