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
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Farideh Sadeghin, who authored The Hot Dog Cookbook, advised shoppers to use meat as a flavor enhancer instead of the main ingredient. Hali Smith april 20, Idaho Statesman, 20 Apr. 2026 Olvin Carcamo-Meza, 19, pleaded guilty during a Tuesday afternoon disposition hearing to two counts of first-degree assault, a felony, and two violent crime sentence enhancers, according to Arapahoe County court records. Lauren Penington, Denver Post, 15 Apr. 2026 Plant your own varieties of hot pepper plants and enjoy a squirrel-free summer and some tasty flavor enhancers for meals. Mary Marlowe Leverette, Southern Living, 3 Apr. 2026 Most companies are focused on AI as a productivity enhancer. Jacqueline Munis, Fortune, 2 Apr. 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

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Cite this Entry

“Enhancer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enhancer. Accessed 28 Apr. 2026.

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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