enhancer

noun

en·​hanc·​er in-ˈhan(t)-sər 

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

Avsec said AlphaGenome works well for some classes of variant, such as those affecting splicing or promoters, but can miss others, particularly in enhancers. — Jeremy Kahn, Fortune, 8 Sep. 2026

Although the Food and Drug Administration prohibits marketing it as a supplement or using it as a food ingredient, it’s advertised as a mood and energy enhancer, a painkiller and an alternative to opioids. — Anjeanette Damon, ProPublica, 1 Sep. 2026

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

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for enhancer

• merganser
• romancer
• ansar
• anser
• answer
• cancer
• dancer
• lancer
• anticancer
• necromancer

Medical Definition

enhancer

noun

en·​hanc·​er in-ˈhan(t)-sər, en- 

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