kyanised

/ˈkaɪənaɪzd/
adjective
  1. Treated with a preservative (kyanising) to protect wood from decay or insects.
    • We bought kyanised timber for the garden shed to prevent rot.
    • The fence posts were kyanised to last longer in the damp soil.
    • The old railway sleepers were kyanised, so they remained sturdy for decades.
Antonyms
What does "kyanised" mean? | whatsthatwordmean | whatsthatwordmean