The Collaborative International Dictionary
Platinize
Platinize \Plat"i*nize\, v. t. [imp. & p. p. Platinized; p. pr. & vb. n. Platinizing.] To cover or combine with platinum.
Wiktionary
platinize
alt. (context transitive English) To coat with platinum. vb. (context transitive English) To coat with platinum.