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methylation

American  
[meth-uh-ley-shuhn] / ˌmɛθ əˈleɪ ʃən /

noun

Chemistry.
  1. the process of replacing a hydrogen atom with a methyl group.


Etymology

Origin of methylation

First recorded in 1875–80; methylate + -ion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Using these methylation patterns, the team applied 12 established and newer 'epigenetic clocks' to estimate each person's biological age.

From Science Daily

"We found that disease-associated genetic variants often work by altering DNA methylation in specific immune cell types," says co-first author Wubin Ding, PhD, a postdoctoral fellow in Ecker's lab.

From Science Daily

GlcHMS326 is notable for undergoing three distinct chemical modifications: glycosylation, hydroxylation, and methylation.

From Science Daily

Methylation is known to improve the stability, UV absorption, and antioxidant activity of MAA compounds.

From Science Daily

The second step is methylation, which attaches a methyl group to the sugar.

From Science Daily