enhancer

noun

en·​hanc·​er in-ˈhan(t)-sər How to pronounce enhancer (audio)
en-
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
By bringing enhancers to different parts of the chromosome, the loops can not only allow a single enhancer to help regulate more than one gene but also allow a gene to be regulated by more than one enhancer. Quanta Magazine, 8 Oct. 2025 Food-industry giants can camouflage missing salt and fat with emulsifiers, flavor enhancers, and other additives. Jessica Winter, New Yorker, 4 Oct. 2025 They’re also advised to avoid using too many effects, including reverb, compression and vocal enhancers, per the video audition tips. Adam England, PEOPLE, 22 Sep. 2025 Some manufacturers also add natural flavor enhancers or acidifiers. Daryl Austin, USA Today, 16 Sep. 2025 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

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Cite this Entry

“Enhancer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enhancer. Accessed 17 Oct. 2025.

Medical Definition

enhancer

noun
en·​hanc·​er in-ˈhan(t)-sər, en- How to pronounce enhancer (audio)
: 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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