kyanized

/ˈkaɪənaɪzd/
adjective
  1. Treated with a chemical preservative (kyanizing process) to protect wood from decay or insects.
    • The old railway ties were kyanized, which is why they survived so long in the ground.
    • They used kyanized timber for the deck to prevent termite damage.
    • The kyanized fence posts lasted for decades without rotting.
Antonyms
What does "kyanized" mean? | whatsthatwordmean | whatsthatwordmean