n. (Chem.) Any one of six metameric hydrocarbons,
☞ The xylidine of commerce, used in making certain dyes, consists chiefly of the derivatives of paraxylene and metaxylene. [ 1913 Webster ]
n. [ From Gr. &unr_; fire. ] (Physiol. Chem.) A nitrogenous base,
n. [ From Gr. &unr_; fire. ] (Physiol. Chem.) A nitrogenous base,