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Definition of homeland security noun from the Oxford Advanced Learner's Dictionary

homeland security

noun
 
/ˌhəʊmlænd sɪˈkjʊərəti/
 
/ˌhəʊmlænd sɪˈkjʊrəti/
[uncountable]
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  1. (especially in the US) the activities and organizations whose aim is to prevent terrorist attacks see also the Department of Homeland Security
    Oxford Collocations DictionaryHomeland Security is used before these nouns:
    • secretary
    See full entry
trait
noun
 
 
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