1. the process of transferring ownership or control of a private company, industry, or asset to the state or government
Usage: British spelling; American English uses 'nationalization'; commonly used in political and economic contexts
2. the process of making something national in character or scope; the adoption of a national identity or standard
Usage: less common usage

Examples

• The nationalisation of the railway industry gave the government direct control over transportation.
• After the revolution, the new regime pursued the nationalisation of all major industries.
• The nationalisation of the oil company was controversial among international investors.
• Many European countries undertook nationalisation of key sectors in the post-war period.
• The government announced plans for the nationalisation of the healthcare system.
• Critics argued that nationalisation would reduce efficiency and innovation in the sector.