Definition of: methylate

(meth′əl·āt) v.t. ·at·ed, ·at·ing Chem.
To mix or saturate with methyl or methanol.
—noun A compound derived from methanol by replacing the hydrogen of the hydroxyl group with an element or radical of equal valence: potassium methylate. [<METHYL + -ATE]
—meth′yl·a′tion noun