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civil defense

noun

Simple Definition of civil defense

  • : a group of people who are not part of the military but are trained to protect and help people if an enemy attacks their country or if there is a natural disaster (such as a flood or earthquake)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of civil defense

  1. :  the system of protective measures and emergency relief activities conducted by civilians in case of hostile attack, sabotage, or natural disaster

Examples of civil defense in a sentence

  1. She's in training to be part of the local civil defense.

  2. the head of civil defense



1939

First Known Use of civil defense

1939


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