nonmetallic

/nɑnməˈtælɪk/
adjective
  1. Not having the characteristics of a metal, such as shine, conductivity, or malleability.
    • Nonmetallic minerals like quartz are used in glassmaking.
    • The pipe was made of a nonmetallic plastic to prevent rust.
    • The coating is nonmetallic, so it won't interfere with radio signals.
Antonyms
What does "nonmetallic" mean? | whatsthatwordmean | whatsthatwordmean