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

Definition of enhancer

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 After serving an 80-game suspension for a performance enhancer, the Rocklin native resumed his journey through the farm system until he was called up in mid-August. John Shea, SFChronicle.com, "How Giants’ rotation shapes up without Madison Bumgarner," 27 Dec. 2019 Romero, who has a lengthy criminal history, was found guilty Friday of being a habitual criminal — a sentence enhancer, according to a district attorney’s news release. Kieran Nicholson, The Denver Post, "Greeley man who physically assaulted his girlfriend sentenced to 96 years in prison as habitual criminal," 20 Dec. 2019 Your slate was probably coated with a sealer or color enhancer, and that’s what’s turning white or gray in response to heat. Jeanne Huber, Washington Post, "Restoring the color to slate that’s lost its blackness," 16 Sep. 2019 The company making the request is a startup with a system that uses pyrolysis, or combustion at extremely high-temperatures, to convert municipal waste and waste tires into synthetic gas, oil, carbon black, steel residue and char, a soil enhancer. Aldo Svaldi, The Denver Post, "From high tech to trashed tires, Colorado approves $17.8 million in economic development incentives," 19 Dec. 2019 Many of the waitstaff seemed to be on chemical mood enhancers. Adam Shatz, The New Yorker, "My Life as a Child Chef," 18 Nov. 2019 Predictably, a drugs test was in order and the veteran superstar got an F, testing positive for the performance-enhancer ephedrine. SI.com, "8 of the Most Controversial Celebrations in Football History," 12 Sep. 2019 They can be applied to wet hair or to dry hair as an anytime treatment or shine enhancer. Dina Cheney, SELF, "8 Ways to Make Thinning Hair Shiny and Full Again," 13 Dec. 2019 Vaping oils typically include other additives, solvents and flavor enhancers. Denise Grady, New York Times, "Vaping Illnesses Are Linked to Vitamin E Acetate, C.D.C. Says," 8 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'enhancer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of enhancer

14th century, in the meaning defined at sense 1

Keep scrolling for more

Learn More about enhancer

Time Traveler for enhancer

Time Traveler

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

See more words from the same century

Statistics for enhancer

Last Updated

9 Feb 2020

Cite this Entry

“Enhancer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enhancer. Accessed 21 Feb. 2020.

Keep scrolling for more

More Definitions for enhancer


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

Medical Definition of enhancer

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

More from Merriam-Webster on enhancer

Rhyming Dictionary: Words that rhyme with enhancer

Nglish: Translation of enhancer for Spanish Speakers

Comments on enhancer

What made you want to look up enhancer? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!