The Collaborative International Dictionary
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.
Wiktionary
alt. To coat, treat or impregnate a non-metallic object with metal. vb. To coat, treat or impregnate a non-metallic object with metal.
WordNet
Usage examples of "metallize".
It was all a tumble of shahmat boards down there: white north surfaces, all other sides energy-absorbent black, metallized glass lancing reflections back at catcher panels, louvers, shadow banners, clash of metal chimes, street cries, robed men like knights, limousine horns, foreigners moving diagonally, the bazaar smell newly settled into recently wet mortar but not quite yet victorious over aldehydes outbaking from the plastics, and Konstantinos Cikoumas, Michaelmas saw him as a tall, cadaverous, round-eyed, open-mouthed man in a six-hundred-dollar suit and a grocer's apron with a screwdriver in its bib pocket.
The man enchaired upon it sat with hieratic stiffness, light breaking in metallized splendor from his robes, the bejeweled Keyboard and Stylus in his hands.
Perhaps it had been metallized originally, and the metallic luster had worn off.