Definition of nuclear umbrella in English:

nuclear umbrella

Line breaks: nu|clear um|brella

noun

The supposed protection gained from an alliance with a country possessing nuclear weapons: the American nuclear umbrella over western Europe
More example sentences
  • They could jiggle the American nuclear umbrella protecting the West and perhaps deal NATO a fatal political blow.
  • A North Korea with nuclear weapons, coupled with its ability to deliver them, might lead Japanese policymakers to doubt the adequacy of the U.S. protective nuclear umbrella.
  • But I stated very clearly that the National Party and ACT, if they formed a Government, would put that policy in danger, and that their policy was to gradually take us back under the nuclear umbrella.

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