1. to coat or treat (a surface) with metal or a metallic substance
Usage: chiefly British spelling; American English typically uses 'metallize'; common in manufacturing and materials science
2. to give a metallic appearance or quality to something
Usage: often used in design and fashion contexts

Examples

• The manufacturer decided to metallise the plastic components to improve durability.
• They metallised the fabric with a thin layer of aluminum to create a reflective surface.
• The designer chose to metallise the trim on the garment for a modern look.
• Industrial processes often metallise surfaces to prevent corrosion.
• The company metallised the ceramic tiles to enhance their conductivity.