Definition of unmetallic in English:

unmetallic

adjective

  • Not metallic in nature, composition, or properties.

Origin

Mid 18th century; earliest use found in William Lewis (bap. 1708, d. 1781), physician and experimental chemist. From un- + metallic.

Pronunciation

unmetallic

/(ˌ)ʌnmɪˈtalɪk/