To make national in character or to place under the control of the national government.

राष्ट्रीयकरण करना

English Usage: The government is nationalizing several industries to ensure they serve the public interest.

Hindi Usage: सरकार कई उद्योगों का राष्ट्रीयकरण कर रही है ताकि वे जनता के हित में काम करें।