Source : Webster's Revised Unabridged Dictionary (1913)

Methylate \Meth"yl*ate\, n. [Methyl + alcoholate.] (Chem.)
   An alcoholate of methyl alcohol in which the hydroxyl
   hydrogen is replaced by a metal, after the analogy of a
   hydrate; as, sodium methylate, {CH3ONa}.

Methylate \Meth"yl*ate\, v. t.
   To impregnate or mix with methyl or methyl alcohol.