To add, or treat with methyl alcohol (see methylated spirits) / (organic chemistry) To add a methyl group to a compound

(chemistry) The anion -O-CH₃⁻ derived from methanol by loss of a proton; any salt containing this anion

present participle of methylate

That methylates

(organic chemistry) Used to form terms describing the attachment of a methyl group

plural of methylate

Third-person singular simple present indicative form of methylate

plural of methylal

(organic chemistry) Dimethoxymethane.

A person, company of device that methylates (originally, one that produced methylated spirits). / (biochemistry) Anything that causes methylation.