Webster's Revised Unabridged Dictionary · 1913

Denationalize

Denationalize , transitive verb

[Compare French dénationaliser.]

1.
To divest or deprive of national character or rights.
Bonaparte's decree denationalizes, as he calls it, all ships that have touched at a British port. — Cobbett
An expatriated, denationalized race. — G. Eliot
2.
to change (something, as an industry or business) from state to private ownership or control; as, the British denationalization of steel.