'Methylated' definitions:

Definition of 'methylated'

(from WordNet)
adjective
Having received a methyl group; "methylated alcohol"

Definition of 'Methylated'

From: GCIDE
  • Methylated \Meth"yl*a`ted\, a. (Chem.) Impregnated with, or containing, methyl alcohol or wood spirit; as, methylated spirits. [1913 Webster]