Definition of unmetallized in English:
unmetallized
adjective (ˌ)ʌnˈmɛt(ə)lʌɪzd
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.
Definition of unmetallized in US English:
unmetallized
adjective(ˌ)ʌnˈmɛt(ə)lʌɪzd
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.