1. the action or process of making something unable to move or be moved
Usage: British spelling; American English uses 'immobilization'; commonly used in medical, mechanical, and security contexts
2. in medicine, the process of restricting the movement of an injured body part to promote healing
Usage: medical/clinical context
3. the conversion of a liquid or gas into a solid or fixed state
Usage: technical/scientific context

Examples

• The immobilisation of the fractured leg required a cast and several weeks of rest.
• The security system's immobilisation feature prevents the car from being driven if the alarm is triggered.
• Doctors recommended immobilisation of the injured shoulder to allow the muscles to heal properly.
• The immobilisation of assets during the investigation froze the company's bank accounts.
• Enzyme immobilisation on a solid surface is a common technique in biotechnology.
• The accident victim required immediate immobilisation before being transported to the hospital.