1. bringing power, control, or authority to a single central point or organization
Usage: British spelling; American English uses 'centralizing'; present participle or gerund form of 'centralise'
2. moving something toward or placing it at the center
Usage: British spelling; American English uses 'centralizing'

Examples

• The government is centralising control of education by establishing national standards.
• The company is centralising its operations in a single headquarters to reduce costs.
• Centralising power in one leader can lead to inefficiency and corruption.
• The new policy involves centralising all data storage in the main office.
• Many countries are centralising healthcare services during the pandemic.
• Centralising decision-making can speed up the approval process.