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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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 This is a regulated certification related to requirements such as organic feed and restrictions on antibiotics and growth enhancers, Pryles says. Olivia McIntosh, Martha Stewart, 27 July 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 21 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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