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BNC: 31542 COCA: 0
BNC: 31542 COCA: 0

methylation

noun

meth·​yl·​a·​tion ˌme-thə-ˈlā-shən How to pronounce methylation (audio)
: the introduction of a methyl radical into a substance
The methylation of metals (that is, the substitution of a metal atom for the hydrogen atom of the hydroxyl group of a methyl alcohol molecule) can result in the metal's becoming volatile. Corale L. Brierley
especially : dna methylation
As cells begin to specialize into adult tissues, methylation seems to inactivate genes that are no longer needed. John Travis

Word History

First Known Use

1855, in the meaning defined above

Time Traveler
The first known use of methylation was in 1855
BNC: 31542 COCA: 0

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