Definition of unmetallized in US English:

unmetallized

adjective

  • Not metallized; not converted into, combined with, or coated with metal.

Origin

Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. From un- + metallized.

Pronunciation

unmetallized

/(ˌ)ʌnˈmɛt(ə)lʌɪzd/