Source : Webster's Revised Unabridged Dictionary (1913)

Metallize \Met"al*lize\, v. t. [imp. & p. p. {Metallized}; p.
   pr. & vb. n. {Metallizing}.] [Cf. F. m['e]talliser.]
   To impart metallic properties to; to impregnate with a metal.
   [R.]