1. to make plastic or flexible; to give plastic properties to a material
Usage: British spelling; American equivalent is 'plasticize'; technical/industrial context
2. to mold or shape something into a desired form
Usage: figurative use

Examples

• The manufacturer added a plasticiser to plasticise the vinyl for easier processing.
• Heat is used to plasticise the polymer before it can be molded into shape.
• The additive helps plasticise the material, making it more workable.
• Engineers plasticised the compound to improve its flexibility and durability.
• The process of plasticising the resin allows for better flow during casting.