1. to treat (wood) with a chemical preservative, typically mercuric chloride, to prevent decay and insect damage
Usage: British spelling; American equivalent is 'kyanizes'; technical/industrial term; third-person singular present tense or plural form

Examples

• The timber company kyanises all railway sleepers before shipment.
• Modern methods have largely replaced the process that kyanises wood with toxic chemicals.
• The factory kyanises wooden posts to extend their lifespan in outdoor conditions.