[ meth-uh-ley-shuh n ]
/ ˌmɛθ əˈleɪ ʃən /

noun Chemistry.

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

Nearby words

  1. methylacetic acid,
  2. methylal,
  3. methylamine,
  4. methylate,
  5. methylated spirits,
  6. methylbenzene,
  7. methylbenzyl acetate,
  8. methylcatechol,
  9. methylcellulose,
  10. methylcyclohexanol

Origin of methylation

First recorded in 1875–80; methylate + -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for methylation

  • Higher levels of methylation were found in those who had committed suicide.

  • He made the important discovery that some animals possess the power of methylation as well as of demethylation.

  • The methylation of aniline can obviously be carried out by the foregoing process only when beet-sugar residues are available.

    Coal|Raphael Meldola
  • It has been explained that by the methylation of rosaniline Hofmann obtained violet colouring-matters.

    Coal|Raphael Meldola