Simple past tense and past participle of nationalise.(verb)
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Use "nationalised" in a sentence
"World War II, many socialist parties in government implemented what became known as nationalised major and economically vital industries while permitting a free market to continue in the rest."
""I don't own any banks, but if the government tried to sell Northern Rock on a decent valuation I'd be keen to buy it," a European equities fund manager at a UK investment firm said, referring to the nationalised lender the British government plans to return to private hands."
"- He warns the Government off the idea of nationalised mortgages (too late, Northern Rock!)."